ArticleJournal of applied genetics2011
Genetic evaluation of eri silkworm Samia cynthia ricini: ISSR loci specific to high and low altitude regimes and quantitative attributes.
Article in Journal of applied genetics, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 8 citations in OpenAlex.
- Article
- Genetic diversity analysis of Saccharosydne procerus in Hunan region, China.Molecular biology reports · 2024Article
- Evolutionary Diversity in the Intracellular Microsporidian Parasite Nosema sp. Infecting Wild Silkworm Revealed by IGS Nucleotide Sequence Diversity.Journal of molecular evolution · 2020Article
- Coregulation of host-response genes in integument: switchover of gene expression correlation pattern and impaired immune responses induced by dipteran parasite infection in the silkworm, Bombyx mori.Journal of applied genetics · 2014Article
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Authors and funding
6 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Genetic structure of populations is under constant pressure from varying geographical conditions that induce phenotypic plasticity in insects. Spatial distribution of 15 populations of Indian eri silkworm, Samia cynthia ricini originated at various altitudes of sub Himalayas based on Euclidean distance realized from yield attributes showed two population clusters irrespective of their place of origin and altitude. However, DNA amplification profile by inter SSR (ISSR) markers showed genetic variations among the populations depend on low and high altitudes. One ISSR locus each specific to high and low altitude population was identified. The locus from high altitude showed deviation from Hardy-Weinberg equilibrium but that from low altitude was in neutrality suggests that the high altitude loci could be under pressure from the altitudinal variations. In association with different yield traits, 18 loci were identified. Of which, three markers showed association with more than one trait indicative of pleiotropic influence. Stepwise addition of markers enhanced the correlation between markers and the associated trait pointed to polygenic influence. Association of markers with altitude and yield traits suggests an imperative relation of rare genetic loci with gene-environment interaction and phenotypic variability in S. c. ricini.
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