Ploidy-mediated reduced segregation facilitates fixation of heterozygosity in the aromatic grass, cymbopogon martinii (Roxb.)

Journal of Heredity

Volumn 101, Issue 1, 2010, Pages 119-123

  Lavania, Umesh C ^a   Srivastava, Sarita ^a   Lavania, Seshu ^b  

^a CSIR CENTRAL INSTITUTE OF MEDICINAL AND AROMATIC PLANTS   (India)

^b UNIVERSITY OF LUCKNOW   (India)

Author keywords

Cymbopogon; Diploidized polyploid; Fixation of heterozygosity; Hybrid vigor; Tetrasomic inheritance

Indexed keywords

ANAPHASE; ANEUPLOIDY; APOMIXIS; ARTICLE; BIOMASS; BREEDING; CHROMOSOME CHIASM; CROP; CYMBOPOGON MARTINII; DIPLOIDY; GAMETE; GRASS; HETEROSIS; HETEROZYGOSITY; HYBRID; MEIOSIS; NONHUMAN; PLANT LEAF; PLANT ROOT; PLANT SEED; PLANT STEM; PLOIDY; POLYPLOIDY; PRIORITY JOURNAL; PROGENY; SEED FERTILITY; TETRAPLOIDY; TETRASOMY; VEGETATIVE PROPAGATION;

CYMBOPOGON; GENETICS, POPULATION; HETEROZYGOTE; MEIOSIS; PLOIDIES;

CYMBOPOGON; CYMBOPOGON MARTINII;

EID: 72749118765     PISSN: 00221503     EISSN: 14657333     Source Type: Journal    
DOI: 10.1093/jhered/esp071     Document Type: Article

References (16)

1. Adams KL, Wendel JF. 2005. Polyploidy and genome evolution in plants. Curr Opin Plant Biol. 8:135-141.
2. Cui L, Wall PK, Leebens-Mack JH, Lindsay BG, Soltis DE, Doyle JJ, Soltis PS, Carlson JE, Arumuganathan K, Barakat A, et al. 2006. Wide spread genome duplications throughout the history of flowering plants. Genome Res. 16:738-749.
3. Lavania UC. 1995. Genesis of high bivalent pairing in autotetraploids and autotriploids, and reduction in bound arm associations over generations. In: Brandham PE, Bennett MD, editors. Kew Chromosome Conference IV. Kew (UK): Royal Botanic Gardens. p. 397-406.
4. Lavania UC, Srivastava S, Lavania S. 2006. High bivalent frequencies in the autotetraploids of aromatic grass, Cymbopogon martinii (Roxb.) Wats. facilitates polyploid stability. In: Bang J-W, Mukai Y, editors. Advances chromosome science 2. Daejeon (Korea): Daeheung Press Inc. p. 9-18.
5. Lavania UC, Srivastava S, Sybenga J. 1991. Cytogenetics of fertility improvement in artificial autotetraploids of Hyoscyamus niger L. Genome. 34:190-194.
6. Leitch AR, Leitch I. 2008. Genomic plasticity and the diversity of polyploid plants. Science. 320:481-483.
7. Otto SP. 2007. The evolutionary consequences of polyploidy. Cell. 131:452-462.
8. Ozias-Atkins P, van Dijk PJ. 2007. Mendelian genetics of apomixis in plants. Annu Rev Genet. 41:509-537.
9. Ramsey J, Schemske DW. 2002. Neopolyploidy in flowering plants. Annu Rev Ecol Syst. 33:589-639.
10. Ravi M, Marimuthu MPA, Siddiqi I. 2008. Gamete formation without meiosis in Arabidopsis. Nature. 451:1121-1124.
11. Santos JL, Alfaro D, Sanchez-Moran E, Armstrong SJ, Franklin FCH, Jones GH. 2003. Partial diploidization of meiosis in autotetraploid Arabidopsis thaliana. Genetics. 165:1533-1540.
12. Soltis DE, Soltis PS, Schemske DW, Hancock JF, Thompson JN, Husband BC, Judd WS. 2007. Autopolyploidy in angiosperms: Have we grossly underestimated the number of species? Taxon. 56:13-30.
13. Soltis PS, Soltis DE. 2009. The role of hybridization in plant speciation. Annu Rev Plant Biol. 60:561-588.
14. Srivastava S, Lavania UC, Sybenga J. 1992. Genetic variation in meiotic behaviour and fertility in tetraploid Hyoscyamus muticus: Correlation with diploid meiosis. Heredity. 68:231-239.
15. Sybenga J. 1975. Meiotic configurations. Berlin (Germany): Springer-Verlag.
16. Weiss H, Maluszynska J. 2000. Chromosomal rearrangement in autotetraploid plants of Arabidopsis thaliana. Hereditas. 133:255-261.