CV

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Personal Information

Born 1984 in Xinxiang (Henan, China)

Nationality: Chinese

Married

Education

10.2009 – 12.2014

Ph.D., Evolutionary Genetics, University of Groningen, Groningen, The Netherlands.

Mentor: Leo W. Beukeboom, Bart A. Pannebakker, Louis van de Zande

Project: Genetic and evolutionary consequences of Wolbachia-induced parthenogenesis in the parasitoid wasp Asobara    

10.2006 – 08.2009  

M.Sc., Evolutionary Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Beijing & Menglun, China.

Mentor: Da-Rong Yang

Project: Coevolution and reproductive success between fig and fig wasps in three dioecious Ficus species

09.2002 – 07.2006

B.S., Biological Science, Nanyang Normal University, Nanyang, China.

Academic Employment

06.2018 – Now 

NIH Postdoctoral research associate, Department of Biology, Amherst College, Amherst, MA, USA.

Mentor: Michael Hood

Project: Evolution and comparative genomics of mating-type chromosomes in Microbotryum fungi

08.2018 – 10.2018

Visiting Scholar, Department Ecologie Systematics and Evolution,

Université of Paris-Sud, Orsay, France

Host: Tatiana Giraud

05.2018 – 03.2018

(informal) Visiting Scholar, Department of Biology, Indiana University, IN, US

Host: Lynda Delph, Curt Lively

08.2014 – 02.2018

SNSF Postdoctoral fellowship, Department of Ecology and Evolution, University of Lausanne, Lausanne, Switzerland.

Mentor: Nicolas Perrin, John Pannell

Project: Evolution and genomics of homomorphic sex chromosomes and sex determination in Ranidae frogs and Mercurialis annua plants

04.2014 – 01.2018

Teaching assistant, Department of Ecology and Evolution, University of Lausanne, Lausanne, Switzerland.

Assistant in courses ‘Molecular Genetics’, ‘Zoology’, master thesis evaluation commitee

01.2010 – 01.2014

Graduate teaching assistant, University of Groningen, Groningen, The Netherlands.

Assistant in courses ‘Evolutionary Genetics’, supervising students’ projects

07.2009 – 08.2009

Research associate, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, China.

In charge of laboratory section and field work of Ecology and Evolution Group

09.2003 – 08.2005

Undergraduate teaching assistant, Nanyang Normal University, China.

Teaching assistant in courses ‘Cell Biology’, ‘Biochemistry’, ‘Zoology’, ‘Plant Biology’, in charge of practicals: preparing, illustration of experiments and evolution of exams.

Research Interests

Evolutionary genetics, Comparative and functional genomics, Sexual Selection and Sexual Conflict, especially on evolution and genomics of sex chromosomes, sex determination, asexuality

Honors, Awards, Fellowships and pending grants

10.2019  Travel grant for early career researchers from the Communications Journals, €2500 (pending decision)

10.2019  NERC Independent Research Fellowship grant proposal, £742,405 (pending decision)

09.2019  Royal Society University Research Fellowship grant proposal, £725,397 (pending decision)

05.2018  Travel grant from Society for the Study of Evolution to attend the 2018 Evolution joint congress in Montpellier, France, $500

03.2018  My MSCA proposal “Guppy_Young_Y” was awarded the Marie Sklodowska-Curie Actions Seal of Excellence, was top 15% of that round. I wrote the proposal by myself (>95%)

2009-2014  Received a four-year Ubbo Emmius (Faculty) Scholarship to support my  PhD research at the University of Groningen, The Netherlands, 2009-2014, €80,000

2013  Travel grant from the Uyttenboogaart-Eliasen Foundation to attend the XIV Congress of the European Society for Evolutionary Biology, €500

2012  Award on participating in project on coevolution between figs and fig wasps (output from master study),  ¥1000.

2009  Winner of the best M. Sc. thesis award of DiAo (2nd prize) of CAS award – “Stability strategy of fig-fig wasp mutualism in three dioecious figs of Xishuangbanna” (in Chinese), ¥2000

2009  Received an Outstanding Master-graduate award from the Xishuangbanna Tropical Botanical Garden, CAS (Top 4%)

2002-2006  First-Class Departmental Scholarship for 4 years, in total ¥4,000

2006  Received an Outstanding Undergraduate award from Nanyang Normal University (Top 1%)

2004  Received a Second Class National Scholarship for Excellent Study (Top 0.1%), ¥5,000

Invited talks

01.2020 Conference speaker. Scheduled. Symposium ‘Emerging frontiers in sex chromosomeevolution’, 9th World Congress of Herpetology, Dunedin, New Zealand.
01.2020 Conference speaker. Scheduled. ‘The International Plant and Animal Genome(PAG) Conference’, ‘Sex Chromosome’ workshop, San Diego, CA, USA.
08.2019 Departmental seminar. “The evolution and genomics of sex chromosomes and sexdetermination”, School of Biological Sciences, University of Aberdeen, UK
06.2019 Conference speaker. ‘Y-chromosome differentiation is associated with developmentaltranscriptome masculinization and earlier male gonad completion in common frogs’, Evolution 2019, Providence, Rhode Island
05.2019 Departmental seminar. “The evolution and genomics of sex chromosomes and sexdetermination”, Institute of Integrative Biology, University of Liverpool, UK
04.2019 Departmental seminar. “The evolution and genomics of sex chromosomes and sexdetermination”, Milner Center for Evolution, University of Bath, UK
01.2019 Conference speaker. Invited but declined. ‘The International Plant and Animal Genome(PAG) Conference’, San Diego, CA, USA.
12.2018 Departmental seminar. “Evolution of homomorphic sex chromosomes, sex-biasedgene expression in the common frogs”, Seminar for Department of Biology, Amherst College, MA, USA
09.2018 Departmental seminar. “Evolution of homomorphic sex chromosomes, sex-biasedgene expression in the common frogs”, Seminar for Department of Genetic and Ecology Evolution, Université Paris-Sud, Orsay, France
06.2016 Departmental seminar. “Evolution of sex determination and sex chromosome”, Institutional external seminar, Chinese Academy of Sciences, Xishuangbanna, China
08.2015 Conference speaker. “Sex determination and sexual decay in a parasitoid withWolbachia-induced parthenogenesis”, ‘Nöthiger insect sex determination’ workshop, University of Lausanne, Lausanne, Switzerland
07.2014 Workshop speaker. “Evolutionary and genetic consequences of Wolbachia-inducedparthenogenesis in the parasitoid Asobara”, ‘Evolution of asexual genome’ workshop, University of Lausanne, Lausanne, Switzerland
10.2013 Departmental seminar. “Genetic basis of decayed sexual traits in a parasitoid wasp”,
Laboratory of Genetics seminar, Wageningen University, Wageningen, the Netherlands
02.2010 Departmental seminar. “Sex determining mechanisms and the ecological consequencesin the Asobara genus (Hymenoptera: Braconidae)”, seminar, Leiden, The Netherlands

Conferences presentations

08.2019

06.2019

06.2019

06.2018

08.2017

01.2017

01.2016

Poster “Differential gene expression between mating types is associated with sequence degeneration in the absence of sexual antagonism”, ESEB, Turku, Finland

Poster “Differential gene expression is associated with degeneration of mating-type chromosomes in the absence of sexual antagonism”, Evolution, Providence, USA

Talk “Y-chromosome differentiation is associated with developmental transcriptome masculinization and earlier male gonad completion in common frogs’, Evolution 2019, Providence, Rhode Island, USA

Poster “Y chromosome differentiation masculinises gene expression on sex chromosomes and correlates with faster male development”, Joint meeting of ESEB and Evolution, Montpellier,France

Poster “Evolution and temporal dynamics of sex-biased gene expressions in the common frog with a proto-sex chromosome”, European Society for Evolutionary Biology, Groningen, The Netherlands

Talk “Is a novel reproductive trait conferring high siring success associated with postzygotic isolation in an annual plant”, PoPGroup meeting, Cambridge, UK

Talk “Characterization of Y chromosomes of varying differentiation levels by haploid gneome sequencing in the common frog”, Evolution of sex det. workshop, La Sage, Switzerland

02.201612.2015 Poster “Sex-chromosome differentiation covaries with polymorphism at the candidate sex-determination gene Dmrt1 in common frogs”, Swiss Biology Meeting, Lausanne, Switzerland 

Talk “Dmrt1 polymorphism covaries with sex-differntiation patterns in the common frog”, PopGroup 49 meeting, University of Edinburgh, Edinburgh, Scotland

08.2015

07.2014

Poster “Polymorphism in the candidate sex determination gene Dmrt1 covaries with sex-chromosome differentiation patterns in the common frog”, European Society for Evolutionary Biology, Lausanne, Switzerland

Talk “Evolutionary and genetic consequences of Wolbachia-induced parthenogenesis in the parasitoid wasp Asobara, ‘Evolution of asexual genome’ workshop, University of Lausanne, Lausanne, Switzerland

08.2013 Poster “Genetic basis of sexual traits decay in a parasitoid wasp with endosymbiont-induced parthenogenesis”, European Society for Evolutionary Biology, Lisbon, Protugal
06.2013 Talk “Genetics of decayed sexual traits in a parasitoid wasp with endosymbiont-induced parthenogenesis”, Insect sex determination workshop, Gif-sur-Yvette, Paris, France
02.2013 Talk “Genetics of vestigialized sexual traits in an asexual wasp”, Netherlands Annual Ecology meeting, Lunteren, The Netherlands
12.2012 Talk “Genetics of decayed sexual traits in an asexual wasp”, Entomologen Dag, Ede, The Netherlands
12.2011 Talk “How is sex determined in the parasitoid wasp genus Asobara”, Entomologen Dag, Ede, the Netherlands
11.2011 Talk “Experimental test of sex determination in solitary parasitoid genus Asobara”, NEV herfstvergadering, Groningen, The Netherlands
10.2011 Poster “Absence of complementary sex determination in the parasitoid wasp genus Asobara”, Sixth International Symposium on Molecular Insect Science, Amsterdam, The Netherlands
10.2011 Poster “No Complementary Sex Determination in the parasitoid wasp genus Asobara (Hymenoptera: Braconidae)”, European workshop on sex determination in insects, Amsterdam, The Netherlands
06.2011 Poster “Sex determining mechanisms in the Asobara genus”, Genetics, Epigenetics and Evolution of Sex Chromosomes, Paris, France
11.2010 Talk “Sex determining mechanisms in the Asobara genus (Hymenoptera: Braconidae)”, Meeting of the Insect Parasitoid Special Interest Group of the Royal Entomological Society,
University of York, York, UK
11.2010 Poster “Sex determining mechanisms in the Asobara genus (Hymenoptera: Braconidae)”, Plant-Insect interaction workshop, Wageningen, The Netherlands
11.2007 Talk “Strategy of female flower resource consumption in dioecious fig species by fig wasps”, conference of “Biodiversity–Challenges to the New Century”, Jinghong, China

Academic organisation and services

08.2019   Organising of ‘Open symposium’ sub-theme “Genome evolution and population genetics”, European Society of Evolutionary Biology meeting, Turku, Finland.

08.2015   Help organise the ESEB conference, European Society of Evolutionary Biology meeting, Lausanne, Switzerland.

02.2013   Organization of the session “Evolutionary Ecology: Genetics of Adaptation to Environmental Shift & Species interactions” at the Netherlands Annual Ecology meeting, Lunteren

09.2014 – 09.2016   Organizing journal club among three research groups with the theme of Reproductive System Dynamics, University of Lausanne, Switzerland

10.2012 – 10.2013   Organizing a monthly, institute-wide colloquia in the field of Evolution and Ecology, University of Groningen, The Netherlands

Workshops

05.2018   “NCGAS on de Novo Transcriptome Assembly” (Indiana University)

09.2017  “Population Genetic Data Analysis” (University of Lausanne)

03.2017  “SIB Python programming course” (University of Basel)

10.2016  “De novoTranscriptome Assembly – Trinity ” (University of Bern)

02.2015  “DNA methylation and methylome analysis with NGS” (University of Fribourg)

12.2014  “Learning python for life sciences”, (University of Basel)

09.2014  “High Performance Computing  (HPC) in Life Science” (University of Lausanne

06.2014   “NGS genome & transcriptome assembly and analysis” (University of Fribourg)

10.-11.2013  “Writing a Grant Proposal” (University of Groningen)

10.2013  “RNAseq Workshop” (University of Groningen)

08.2013  “MGC NGS data analysis (7th ed)” (Medical Genetics Centre South-West Netherlands, MGC)

11.2011-02.2012  “Application of Genetic Methods in Ecology” (University of Groningen)

09.2011  “Life History Theory” (University of Groningen)

09.2010-03.2011  “Dutch Level 2” (University of Groningen)

03.-06.2010  “Dutch Level 1” (University of Groningen)

03.2010  “Advanced Statistics using R”, (University of Groningen)

02.2010  “Adaptive Dynamics” (University of Groningen)

Teaching and mentoring activities

09.2018  PhD mid-thesis evaluation, ‘Evolution of mating-type chromosomes in the anther-smut fungi’, University of Paris-Sud, Orsay, France –Read and comment on the PhD mid-thesis document;-Meet with the PhD candidate to discuss the comments for improvement; Attend the thesis talk and give feedbacks

09-10.2017  Teaching assistant, ‘Molecular Genetics’, Master course, University of Lausanne, Switzerland –Involve in organizing and preparing the course related web lab reagents; Attend the web lab practical and help students troubleshooting for DNA extraction, gel running, PCR, PCR purification, send out for Sanger sequencing and interpret results; Prepare R codes for Population Genetics analysis and attend the practical dry lab course with students and troubleshoot with R codes running

09-10.2016  Teaching assistant, ‘Molecular Genetics’, Master course, University of Lausanne, Switzerland –Involve in organizing and preparing the course related web lab reagents; Attend the web lab practical and help students troubleshooting for DNA extraction, gel running, PCR, PCR purification, send out for Sanger sequencing and interpret results; Prepare R codes for Population Genetics analysis and attend the practical dry lab course with students and troubleshoot with R codes running

02-06.2016  Teaching assistant, ‘Zoology’, Undergraduate course, University of Lausanne, Switzerland –Prepare section ‘Aquatic Insects’ lab setting, taking students to the close by creek in the field to collect aquatic insects and back to the lab to dissect and understand the biological traits; Prepare section ‘Bird’ lab setting and practiced bird dissection and anatomy, attend the Practical with students and help students troubleshoot bird dissection and bird anatomy/physiological traits; Prepare section ‘Fish’ lab setting and practiced fish dissection and anatomy, attend the practical with students and help students troubleshoot fish dissection and fish anatomy/physiological traits

09-10.2015  Teaching assistant, ‘Molecular Genetics’, Master course, University of Lausanne, Switzerland –Involve in organizing and preparing the course related web lab reagents;-Attend the web lab practical and help students troubleshooting for DNA extraction, gel running, PCR, PCR purification, send out for Sanger sequencing and interpret results; Prepare R codes for Population Genetics analysis and attend the practical dry lab course with students and troubleshoot with R codes running

08-09.2015  Supervisor of internship undergraduate student, 6 weeks, University of Lausanne, Switzerland –Supervise the student project on ‘Time series of sex determination gene expression along frog development’, lab techniques like RNA extraction and qPCR, interpret the results, comments on the report.

07-08.2015  Supervisor of internship undergraduate student, 8 weeks, University of Lausanne, Switzerland –Supervise the student project on ‘Common garden experiment on polymorphism of male flower inflorescence among various hexaploidy populations of Mercurialis annua’, common garden growing plants, measure various plant phenotypical traits, lab techniques like DNA extraction and PCR, running gels, and comment on the report.

02-06.2015  Teaching assistant, ‘Zoology’, Undergraduate course, University of Lausanne, Switzerland –Prepare section ‘Aquatic Invertebrate’ lab setting, taking students to the close by creek in the field to collect aquatic insects and back to the lab to dissect and understand the biological traits;- Prepare section ‘Crustacean’ lab setting, taking students to the close by creek in the field to collect crustaceans and back to the lab to dissect and understand the biological traits;- Prepare section ‘Fish’ lab setting and practiced fish dissection and anatomy, attend the Practical with students and help them troubleshoot fish dissection, fish anatomy/physiological traits.

10.2014-03.2016  Co-supervisor of master project, 1.5 year, University of Lausanne, Switzerland –Design the master project together with two other co-supervisors on ‘Sex chromosome turnovers among various Ranidea frog species using RAD-seq approach’, lab technique extraction of DNA, RAD library preparation, data analysis and comments on the master report. This leads to a high impact publication, see publication list #8.

09-10.2014   Teaching assistant, “Molecular Genetics”, Master course, University of Lausanne, Switzerland –Involve in organizing and preparing the course related web lab reagents;-Attend the web lab practical and help students troubleshooting for DNA extraction, gel running, PCR, PCR purification, send out for Sanger sequencing and interpret results; Prepare R codes for Population Genetics analysis and attend the practical dry lab course with students and troubleshoot with R codes running

02-06.2014  Supervisor of undergraduate student from NHL Hogeschool, 4 months, Leeuwarden,The Netherlands-Design the project on ‘Investigation of splicing variants of doutblesex in Asobara japonica wasp with both sexual and asexual populations’, teach web lab DNA and RNA extraction, PCR, RT-PCR, running gels, purification of PCR products, Sanger sequencing results analysis, comment on report.

02.2014   Supervisor of two Masters students during the course ‘Animals meet Microbes’, The Netherlands –Pick up several papers related to the course topic, meet with students to discuss the key results, present the papers and join the group discussions during the course.

09.2013-01.2014  Supervisor of one Undergraduate student from NHL Hogeschool, 5 months, Leeuwarden,The Netherlands— Design the project on ‘Evaluate the SNP markers and remove false positive markers’, teach web lab, DNA extraction, PCR, running gels, purification of PCR products, Sanger sequencing results analysis, comment on the report.

02-03.2013  Supervisor of two Undergraduate students, ‘Evolutionary Genetic research’ course, 6 weeks,University of Groningen, The Netherlands –Design a small student project ‘Investigation on mating success of introgressed sex-asex wasp offspring’, setting up the wasp cultures, supervise the students to perform the experiment, Supervise students on presenting the results and comment on their report.

02-03.2011  Supervisor of two Undergraduate students, ‘Evolutionary Genetic research’ course, 6 weeks, University of Groningen, The Netherlands —Design a small student project ‘How do founder number and competition affect their offspring sex, ratio allocation’, setting up the wasp cultures, supervise the students to perform the experiment, supervise students on presenting the results and comment on their report.

Article reviewing experience

I have reviewed papers for:

PLoS Genetics (1), PLoS Biology (1)Heredity (3), Journal of Evolutionary Biology (1), Sexual Development (1), PLoS ONE (3)Biological Journal of the Linnean Society (2)The Science of Nature (2), Axios (1), Entomologia Experimentalis et Applicata (1), General and Comparative Endocrinology (1), International Journal of Molecular Sciences (2), Frontier in Zoology (1), Genes (2)

Grant reviewing experience

I have reviewed grant for Czech Science Foundation (GAČR).

Publications

In prep.

  1. W-J Ma, P Veltsos, R Sermier, M Toups, N Rodrigues, N Perrin. Y chromosome differentiation masculinizes gene expression on sex chromosomes and correlates with faster male development. Target journal: Nature Ecology and Evolution (IF=10.969)
  2. W-J Ma, BA Pannebakker, T Schwander, L van de Zande, LW Beukeboom. Single major QTL associates with decayed sexual traits in an asexual parasitoid wasp. Target journal: Molecular Ecology (IF=6.131)
  3. W-J Ma*, RC Rodríguez de la Vega*, F Carpentier, ME Hood, FE Hartmann, T Giraud, ME Hood. Hemizygous genes in the non-recombining regions of sex-related chromosomes arose mostly by gene gains rather than allelic copy loss. Target journal:Proceedings of the National Academy of Sciences (IF=9.580)

Preprint and in review

  1. W-J Ma, F Carpentier, T Giraud, M Hood. (2019). Differential gene expression is associated with degeneration of mating-type chromosomes in the anther smut fungus. In review. Genome Biology and Evolutio(IF=3.726)
  2. Veltsos, N Rodrigues, T Studer, W-J Ma, R Sermier, J Leuenberger, N Perrin. (2019). Y-chromosome haplotypes of varying differentiation to the X are not associated with male fitness in the common frogs. In review. Journal of Evolutionary Biology (IF=2.792)
  3. FE Hartmann*, W-J Ma*. Digest: Climate plays margical role for homomorphic sex chromosome differentiation in common frogs. *Equal contribution. In review. Evolution. (IF=4.201).

Peer-reviewed publications

(total citations until 11.2019: 173, h-index: 8, i10-index: 7)

  1. FE Hartmann, RC Rodríguez de la Vega, P Gladieux, W-J Ma, ME Hood, T Giraud. (2019). Higher gene flow in sex-related chromosomes than in autosomes during fungal divergence. In press. doi: https://doi.org/10.1093/molbev/msz252  Molecular Biology and Evolution (IF=14.797) 
  2. W-J Ma, F Carpentier, T Giraud, M Hood. (2019). Differential gene expression is associated with degeneration of mating-type chromosomes in the anther smut fungus. BioRxiv: doi: https://doi.org/10.1101/626291
  3. W-J Ma, L Santos del Blanco, JR Pannell. (2019).A new biological species in the Mercurialis annua polyploid complex: functional divergence  inflorescence morphology and hybrid sterility. Annals of Botany 124: 165-178. PDF [DOI(IF=4.041)
  4. P Veltsos, N Rodrigues, T Studer, W-J Ma, S Sermier, N Perrin. (2019). No sexual antagonistic effects in reproductive success in the common frog with various Y-chromosome differentiations. bioRxiv https://www.biorxiv.org/content/10.1101/659565v1
  5. W-J Ma, P Veltsos, R Sermier, D Parker, N Perrin. (2018). Evolutionary and developmental dynamics of sex-biased gene expressions in the common frogs with proto-Y chromosomes. Genome Biology 19: 156. (IF=13.214, citation=5)   PDF   [DOI]
  6. DL Jeffries, G Lavanchy, R Sermier, MJ. Sredl, I Miura, A Borzée, LN Barrow, D Canestrelli, P-A Crochet, C Dufresnes, J Fu, W-J Ma, C Macías Garcia, K Ghali, AG Nicieza, RP O’Donnell, N Rodrigues, A Romano, Í Martínez-Solano, I Stepanyan, S Zumbach, A Bresfold, N Perrin. (2018). An unprecedented rate of sex-chromosome turnover and non-random transitions in true frogs. Nature Communications 9: 4088. (IF=11.880, citation=11)  PDF   [DOI]
  7. W-J Ma*, P Veltsos*, M Toups*, R Sermier, DL Jeffries, N Perrin. (2018). Tissue specificity and dynamics of sex-biased gene expression in a common frog population with differentiated sex chromosomes. Genes 9: 294. (* co-first authors).  (IF=3.600, citation=4)  PDF  [PubMed]  [DOI]
  8. N Rodrigues, T Studer, C Dufresnes, W-J Ma, P Veltsos, N Perrin. (2017). Dmrt1 polymorphism and sex chromosome differentiation in Rana temporaria. Molecular Ecology 26: 4897-4905.    PDF  [PubMed]  [DOI](IF=6.131, citation=15)
  9. W-J Ma, T Schwander. (2017). Mechanisms and consequences in instances of endosymbiont-induced parthenogenesis. Journal of Evolutionary Biology 30: 868-888.    PDF  [PubMed]  [DOI(IF=2.792, citation=26)
  10. W-J Ma, N Rodrigues, R Sermier,A Brelsford, N Perrin. (2016). Dmrt1polymorphism covaries with sex-determination patterns in Rana temporaria. Ecology and Evolution30: 5107-5117.    PDF  [PubMed]  [DOI(IF=2.537, citation=11)
  11. W-J Ma, JR Pannell. (2016). Separate sexes are a double turnoff in melons. Current Biology 26: R171-174.    PDF   [PubMed]  [DOI](IF=9.193, citation=4)
  12. W-J Ma, BA Pannebakker, L van de Zande, T Schwander, B Wertheim, LW Beukeboom. (2015). Diploid males support a two-step mechanism for endosymbiont-induced thelytoky in a parasitoid wasp. BMC Evolutionary Biology 15: 84.  PDF  [PubMed]  [DOI(IF=3.027, citation=15)
  13. W-J Ma, BA Pannebakker, LW Beukeboom, T Schwander, L van de Zande. (2014).Genetics of decayed sexual traits in a parasitoid wasp with endosymbiont-induced parthenogenesis. Heredity 113: 424-431.    PDF  [PubMed]  [DOI(IF=3.801, citation=8)
  14. W-J Ma, B Kuijper, JG de Boer, L van de Zande, LW Beukeboom, B Wertheim, BA Pannebakker. (2013). Absence of complementary sex determination in the parasitoid wasp genus Asobara (Hymenoptera: Braconidae). PLoS ONE 8: e60458.  PDF  [PubMed]  [DOI(IF=2.776, citation=14)
  15. W-J Ma, F Vavre, LW Beukeboom. (2013). Manipulation of arthropod sex determination by endosymbionts: diversity and molecular mechanisms. Sexual Development 8: 59-73. DOI:10.1159/000357024.   PDF [PubMed]  [DOI(IF=2.250, citation=33)
  16. W-J Ma, D-R Yang, Y-Q Peng. (2009). Disturbance effects on community structure of fig wasp in Ficus tinctoriain Xishuangbanna, China: implication for the fig/fig wasp mutualism. Insect Science 16: 417-424.    PDF  [WoS]  [DOI(IF=2.71, citation=6)
  17. W-J Ma, F-P Zhang, Y-Q Peng, D-R Yang (2009). Comparison of style length and reproduction success in Ficus of different breeding systems. Chinese Journal of Plant Ecology 33: 911-918.  PDF  [DOI(IF=2.541, citation=2)
  18. W-J Ma, Y-Q Peng, D-R Yang, J-M Guan. (2009). Coevolution of reproductive characteristics in three dioecious fig species and their pollinator wasps. Symbiosis 49: 87-94.    PDF  [DOI(IF=2.009, citation=8)
  19. W-J Ma, Y-Q Peng, D-R Yang. (2009). Variation of reproduction success in Ficus tinctoria and the implication in fig evolution. Proceedings of the 2009 Annual Meeting of the Yunnan Insect Society: 139-145.    [DOI]
  20. W-J Ma. (2014). Evolutionary Genetics of Wolbachia-induced Parthenogenesis in the Parasitoid Asobara Japonica: Sex Determination and Sexual Decay. PhD thesis.University of Groningen. The Netherlands.    PDF_Part1  PDF_Part2  [DOI]
  21. E Geuverink, M van Leussen, W-J Ma, LW Beukeboom, L van de Zande. (2017). Identification, sex-specific splicing and maternal provision of transformerand transformer-2 in arrhenotokous and Wolbachia-infected thelytokous Asobara japonica.Chapter 6. Parental and Endosymbiont Effects on Sex Determination in Haplodiploid Wasps-Who is in Control? PhD thesis (E. Geuverink). University of Groningen, The Netherlands.    PDF  [DOI]

Lab skills 

  • DNA extraction, RNA extraction, PCR, RACE-PCR, qPCR, RT-PCR, RAPD, microsatellite genotyping, gene sequencing, cloning, RADseq library preparation, MinION sequencing library preparation;
  • Flow cytometry, androgenesis;
  • Wasp culturing, frog rearing, plant propagation, genetic crosses, spermatheca dissection, etc.

Software (bioinformatics, genomic/sequencing data)

Statistics                               R

NGS data analysis               Linux, bash script, basic Python script; SNPs development, and linkage map construction; De novogenome assembly; Genome-wide poolseq analysis; De novotransciptome assembly; RNAseq gene expression data analysis; RADseq data analysis (de novo and with reference genome); Illumina (paired-end and mate pair libraries) sequencing assembly and MinION long reads sequencing assembly

Sanger sequencing data    MEGA, Chromas, BioEdit, Geneious

Genotype data                    GeneMapper, Structure

Genetic linkage map          MapDisto, MSTMap

Phylogenetics (genomics) Multiple genes, or genome-wide RAD markers with Stacks, PhyML, MrBayes

Flow cytometry                   WinMDI, BD FACSDiva™

qPCR                                      LinRegPCR