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                    U.S. DEPARTMENT OF AGRICULTURE
 Cotton Fiber Bioscience and Utilization Research: New Orleans, LA
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ARS Home Southeast Area New Orleans, Louisiana Southern Regional Research Center Cotton Fiber Bioscience and Utilization Research People







Gregory N Thyssen    Research Biologist Research Computational Biologist Tel: (504)286-4280 Cotton Fiber Bioscience Research Unit USDA-ARS, Southern Regional Research Center 1100 Allen Toussaint  Blvd New Orleans, LA 70124-4305  Link to Google Scholar **Peer-Reviewed Journal Articles and Patents (44)** **** Li, X., **Thyssen, G.**, Beliakoff, J., and Sun, Z. The novel PIAS-like protein hZimp10 enhances Smad transcriptional activity. **Journal of Biological Chemistry**. 281(33):23748-23756. 2006.
**Thyssen, G.**, Li, T.H., Lehmann, L., Zhuo, M., Sharma, M., and Sun, Z. LZTS2 is a novel β-catenin-interacting protein and regulates the nuclear export of β-catenin. **Molecular and Cellular Biology**. 26(23):8857-8867. 2006.
**Thyssen, G.**, Svab, Z., and Maliga, P. Cell-to-cell movement of plastids in plants. **Proceedings of the National Academy of Sciences**. 109(7):2439-2443. 2012.
**Thyssen, G.**, Svab, Z., and Maliga, P. Exceptional inheritance of plastids via pollen in *Nicotiana sylvestris* with no detectable paternal mitochondrial DNA in the progeny. **The Plant Journal**. 72(1):84-88. 2012.
Gilbert, M.K., Turley, R.B., Kim, H.J., Li, P., **Thyssen, G.N**., Tang, Y., Delhom, C.D., Naoumkina, M.A., and Fang, D.D. Transcript profiling by microarray and marker analysis of the short cotton (*Gossypium hirsutum*) fiber mutant Ligon lintless-1 (Li1). **Biomed Central (BMC) Genomics**. 14:403. 2013.
Fang, D.D., Hinze, L.L., Percy, R.G., Li, P., Deng, D.D., and **Thyssen, G.N**. A microsatellite-based genome-wide analysis of genetic diversity and linkage disequilibrium in Upland cotton (*Gossypium hirsutum*) cultivars from major cotton-growing countries. **Euphytica**. 191:391-401. 2013.
**Thyssen, G.N**., McCarty, J.C., Li, P., Jenkins, J.N., and Fang, D.D. Genetic mapping of non-target-site resistance to a sulfonylurea herbicide (Envoke®) in Upland cotton (*Gossypium* *hirsutum*). **Molecular Breeding**. 33:341-348. 2014.
Maliga, P., Maliga, Z.S., and **Thyssen, G.N.**S. **Patent Number 13/930,378**. Rutgers State University of New Jersey, assignee. Intercellular transfer of organelles in plants for horizontal transfer of DNA expressing proteins of interest. March 13, 2014.
**Thyssen, G.N**., Song, X., Naoumkina, M.A., Kim, H.J., and Fang, D.D. Independent replication of mitochondrial genes supports the transcriptional program in developing fiber cells of cotton (*Gossypium hirsutum*). **Gene**. 544:41-48. 2014.
**Thyssen, G.N**., Fang, D.D., Turley, R.B., Florane, C.B., Li, P., and Naoumkina, M.A. Next generation genetic mapping of the Ligon-lintless-2 (Li2) locus in upland cotton (*Gossypium* *hirsutum*). **Theoretical and Applied Genetics**. 127:2183-2192. 2014.
Naoumkina, M.A., **Thyssen, G.N**., Fang, D.D., Hinchliffe, D.J., Florane, C.B., Yeater, K.M., Page, J.J., and Udall, J.A. The Li2 mutation results in reduced subgenome expression bias in elongating fibers of allotetraploid cotton (*Gossypium hirsutum*). **PLoS One**. 9(3):e90830. 2014.
Islam, M.S., **Thyssen, G.N**., Jenkins, J.N., and Fang, D.D. Detection, validation, and application of genotyping-by-sequencing based single nucleotide polymorphisms in upland cotton. **The Plant Genome**. 8(1):1-10. 2014.
Gore, M.A., Fang, D.D., Poland, J.A., Zhang, J., Percy, R.G., Cantrell, R.G., and **Thyssen, G.N**. Linkage map construction and QTL analysis of agronomic and fiber quality traits in cotton. **The Plant Genome**. 7(1):1-10. 2014.
**Thyssen, G.N**., Fang, D.D., Turley, R.B., Florane, C.B., Li, P., and Naoumkina, M.A. Mapping-by-sequencing of Ligon-lintless-1 (Li1) reveals a cluster of neighboring genes with correlated expression in developing fibers of Upland cotton (*Gossypium hirsutum*). **Theoretical and Applied Genetics**. 128:1703-1712. 2015.
Naoumkina, M.A., **Thyssen, G.N**., and Fang, D.D. RNA-seq analysis of short fiber mutants Ligon-lintless-1 (Li1) and – 2 (Li2) revealed important role of aquaporins in cotton (*Gossypium hirsutum*) fiber elongation. **Biomed Central (BMC) Plant Biology**. 15:65. 2015.
Kim, H.J., Hinchliffe, D.J., Triplett, B.A., Chen, Z.J., Stelly, D.M., Yeater, K.M., Moon, H.S., Gilbert, M.K., **Thyssen, G.N**., Turley, R.B., and Fang, D.D. Phytohormonal networks promote differentiation of fiber initials on pre-anthesis cotton ovules grown *in vitro* and *in* *planta*. **PLoS ONE**. 10(4):e0125046. 2015.
**Thyssen, G.N**., Fang, D.D., Zeng, L., Song, X., Delhom, C.D., Condon, T.L., Li, P., and Kim, H.J. The immature fiber mutant phenotype of cotton (*Gossypium hirsutum*) is linked to a 22-bp frame-shift deletion in a mitochondria targeted pentatricopeptide repeat gene. **G3, Genes/Genomes/Genetics**. 6:1627-1633. 2016.
Naoumkina, M.A., **Thyssen, G.N**., Fang, D.D., Hinchliffe, D.J., Florane, C.B., and Jenkins, J.N. Small RNA sequencing and degradome analysis of developing fibers of short fiber mutants Ligon-lintles-1 (Li1) and -2 (Li2) revealed a role for miRNAs and their targets in cotton fiber elongation. **BMC Genomics**. 17:360. 2016.
Islam, M.S., **Thyssen, G.N**., Jenkins, J.N., Zeng, L., Delhom, C.D., McCarty, J.C., Deng, D.D., Hinchliffe, D.J., Jones, D.C., and Fang, D.D. A MAGIC population-based genome-wide association study reveals functional association of *GhRBB1_A07* gene with superior fiber quality in cotton. **BMC Genomics**. 17:903. 2016.
Islam, M.S., Fang, D.D., **Thyssen, G.N**., Delhom, C.D., Liu, Y., and Kim, H.J. Comparative fiber property and transcriptome analyses reveal key genes potentially related to high fiber strength in cotton (*Gossypium hirsutum*) line MD52ne. **Biomed Central (BMC) Plant Biology**. 16:36. 2016.
Islam, M.S., Zeng, L., **Thyssen, G.N**., Delhom, C.D., Kim, H.J., Li, P., and Fang, D.D. Mapping by sequencing in cotton (*Gossypium hirsutum*) line MD52ne identified candidate genes for fiber strength and its related quality attributes. **Theoretical and Applied Genetics**. 129:1071-1086. 2016.
Hinchliffe, D.J., Condon, B.D., **Thyssen, G.N**., Naoumkina, M.A., Madison, C.A., Reynolds, M.L., Delhom, C.D., Fang, D.D., Li, P., and McCarty Jr, J.C. The *GhTT2_A07* gene is linked to the brown colour and natural flame retardancy phenotypes of Lc1 cotton (*Gossypium hirsutum*) fibres. **Journal of Experimental Botany**. 67(18):5461-5471. 2016.
Santiago Cintron, M., Montalvo, J.G., Von Hoven, T.M., Rodgers, J.E., Hinchliffe, D.J., Madison, C.A., **Thyssen, G.N**., and Zeng, L. Infrared imaging of cotton fiber bundles using a focal plane array detector and a single reflectance accessory. **Fibers**. 4(27):1-11. 2016.
**Thyssen, G.N**., Fang, D.D., Turley, R.B., Florane, C.B., Li, P., Mattison, C.P., and Naoumkina, M.A. A Gly65Val substitution in an actin, GhACT_LI1, disrupts cell polarity and F-actin organization resulting in dwarf, lintless cotton plants. **The Plant Journal**. 90(1):111-121. 2017.
Naoumkina, M.A., Bechere, E., Fang, D.D., **Thyssen, G.N**., and Florane, C.B. Genome-wide analysis of gene expression of EMS-induced short fiber mutant Ligon lintless-y (liy) in cotton (*Gossypium hirsutum*). **Genomics**. 109:320-329. 2017.
Naoumkina, M.A., Hinchliffe, D.J., Fang, D.D., Florane, C.B., and **Thyssen, G.N**. Role of xyloglucan in cotton (*Gossypium hirsutum*) fiber elongation of the short fiber mutant Ligon-lintless-2 (Li2). **Gene**. 626:227-233. 2017.
**Thyssen, G.N**., Naoumkina, M.A., McCarty, J.C., Jenkins, J.N., Florane, C.B., Li, P., and Fang, D.D. The P450 gene CYP749A16 is required for tolerance to the sulfonylurea herbicide trifloxysulfuron sodium in cotton (*Gossypium hirsutum*). **Biomed Central (BMC) Plant Biology**. 18:186. 2018.
**Thyssen, G.N**., Jenkins, J.N., McCarty, J.C., Zeng, L., Campbell, B.T., Delhom, C.D., Islam, M.S., Li, P., Jones, D.C., Condon, B.D., and Fang, D.D. Whole genome sequencing of a MAGIC population identified genomic loci and candidate genes for major fiber quality traits in upland cotton (*Gossypium hirsutum*). **Theoretical and Applied Genetics**. 132:989-999. 2018.
Naoumkina, M.A., **Thyssen, G.N**., Fang, D.D., Jenkins, J.N., McCarty, J.C., and Florane, C.B. Genetic and transcriptomic dissection of the fiber length trait from a cotton (*Gossypium* *hirsutum*) MAGIC population. **BMC Genomics**. 20:112. 2019.
Kim, H.J., **Thyssen, G.N**., Song, X., Delhom, C.D., and Liu, Y. Functional divergence of cellulose synthase orthologs in between wild *Gossypium raimondii* and domesticated *arboreum* diploid cotton species. **Cellulose**. 26:9483-9501. 2019.
Zhang, J., Abdelraheem, A., **Thyssen, G.N**., Fang, D.D., Jenkins, J.N., McCarty Jr, J.C., and Wedegaertner, T. Evaluation and genome-wide association study of Verticillium wilt resistance in a MAGIC population derived from intermating of eleven Upland cotton (*Gossypium hirsutum*) parents. **Euphytica**. 216:9. 2019.
Wubben, M.J., **Thyssen, G.N.**, Callahan, F.E., Fang, D.D., Deng, D.D., McCarty, J.C., Li, P., Islam, M.S., and Jenkins, J.N. A novel variant of Gh_D02G0276 is required for root-knot nematode resistance on chromosome 14 (D02) in Upland cotton. **Theoretical and Applied Genetics**. 132:1425-1434. 2019.
Maliga, P., Maliga, Z.S., Gurdon, C., and **Thyssen, G.N.**S. **Patent Number 10,563,212**. Rutgers State University of New Jersey, assignee. Intercellular transfer of organelles in plant species for conferring cytoplasmic male sterility. February 18, 2020.
Fang, D.D., Naoumkina, M.A., **Thyssen, G.N**., Bechere, E., Li, P., and Florane, C.B. An EMS-induced mutation in a tetratricopeptide repeat-like superfamily protein gene (*Ghir_A12G008870*) on chromosome A12 is responsible for the *liy* short fiber phenotype in cotton. **Theoretical and Applied Genetics**. 133(1):271-282. 2020.
Naoumkina, M.A., Zeng, L., Fang, D.D., Wang, M., **Thyssen, G.N**., Florane, C.B., Li, P., and Delhom, C.D. Mapping and validation of a fiber length QTL on chromosome D11 using two independent F2populations of upland cotton. **Molecular Breeding**. 40:31. 2020.
Li, Z., Wang, P., You, C., Yu, J., Zhang, X., Yan, F., Ye, Z., Shen, C., Li, B., Guo, K., Liu, N., **Thyssen, G.N**., Fang, D.D., Lindsey, K., Zhang, X., Wang, M., and Tu, L. Combined GWAS and eQTL analysis uncovers a genetic regulatory network orchestrating the initiation of secondary cell wall development in cotton. **New Phytologist**. 226:1738-1752. 2020.
Adbelraheem, A., **Thyssen, G.N**., Fang, D.D., Jenkins, J.N., McCarty, J.C., Wedegertner, T., and Zhang, J. GWAS reveals consistent QTL for drought and salt tolerance in a MAGIC population of 550 lines derived from intermating of 11 Upland cotton (*Gossypium* *hirsutum*) parents. **Molecular Genetics and Genomics**. 296(1):119-129. 2020.
Naoumkina, M.A., **Thyssen, G.N**., Fang, D.D., Li, P., and Florane, C. Elucidation of sequence polymorphism in fuzzless-seed cotton lines. **Molecular Genetics and Genomics**. 296(1):193-206. 2020.
Fang DD, Zeng L, **Thyssen GN**, Delhom CD, Bechere E, Jones DC, Li P. Stability and transferability assessment of the cotton fiber strength QTL qFS-c7-1 on chromosome A07. **The Crop Journal**. 9(2):380-6. 2021
Naoumkina M, **Thyssen GN**, Fang DD, Bechere E, Li P, Florane CB. Mapping-by-sequencing the locus of EMS-induced mutation responsible for tufted-fuzzless seed phenotype in cotton. **Molecular Genetics and Genomics**. 296(5):1041-9. 2021
Kim HJ, Kato N, Ndathe R, **Thyssen GN**, Jones DC, Ratnayaka HH. Evidence for thermosensitivity of the cotton (*Gossypium hirsutum*) immature fiber (*im*) mutant via hypersensitive stomatal activity. **PloS One**. 16(12):e0259562. 2021
Jenkins JN, McCarty Jr JC, Hayes RW, Wubben MJ, Fang DD, **Thyssen GN**, Zeng L, Campbell BT, Jones DC. Registration of seven recombinant inbred lines of upland cotton with improved fiber length or strength. **Journal of Plant Registrations**. 16(1):94-9. 2022
Wang M, Qi Z, **Thyssen GN**, Naoumkina M, Jenkins JN, McCarty JC, Xiao Y, Li J, Zhang X, Fang DD. Genomic interrogation of a MAGIC population highlights genetic factors controlling fiber quality traits in cotton. **Communications biology**. 5(1):1-2. 2022
Zhu Y, **Thyssen GN**, Abdelraheem A, Teng Z, Fang DD, Jenkins JN, McCarty JC, Wedegaertner T, Hake K, Zhang J. A GWAS identified a major QTL for resistance to Fusarium wilt (*Fusarium oxysporum* sp. *vasinfectum*) race 4 in a MAGIC population of Upland cotton and a meta-analysis of QTLs for Fusarium wilt resistance. **Theoretical and Applied Genetics**. 16:1-6. 2022


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