ArticleGenetics and molecular biology2011
Nucleotide diversity and molecular evolution of the WAG-2 gene in common wheat (Triticum aestivum L) and its relatives.
Article in Genetics and molecular biology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed.
- Genome-Wide Identification and Expression Profiling of CONSTANS-Like Genes in Pepper (Frontiers in plant science · 2022Article
- Article
- Molecular Control of Carpel Development in the Grass Family.Frontiers in plant science · 2021Review
- Novel intron length polymorphic (ILP) markers from starch biosynthesis genes reveal genetic relationships in Indian wheat varieties and related species.Molecular biology reports · 2020Article
- Cloning and Functional Analysis of MADS-box Genes,Frontiers in plant science · 2017Article
- Article
- Genetic variation of six desaturase genes in flax and their impact on fatty acid composition.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2013Article
- Homeotic Genes and the ABCDE Model for Floral Organ Formation in Wheat.Plants (Basel, Switzerland) · 2013Review
- Genetic Fingerprinting of Wheat and Its Progenitors by Mitochondrial Gene orf256.Biomolecules · 2012Article
- SNP Discovery through Next-Generation Sequencing and Its Applications.International journal of plant genomics · 2012Article
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6 authors.
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Abstract
In this work, we examined the genetic diversity and evolution of the WAG-2 gene based on new WAG-2 alleles isolated from wheat and its relatives. Only single nucleotide polymorphisms (SNP) and no insertions and deletions (indels) were found in exon sequences of WAG-2 from different species. More SNPs and indels occurred in introns than in exons. For exons, exons+introns and introns, the nucleotide polymorphism π decreased from diploid and tetraploid genotypes to hexaploid genotypes. This finding indicated that the diversity of WAG-2 in diploids was greater than in hexaploids because of the strong selection pressure on the latter. All dn/ds ratios were < 1.0, indicating that WAG-2 belongs to a conserved gene affected by negative selection. Thirty-nine of the 57 particular SNPs and eight of the 10 indels were detected in diploid species. The degree of divergence in intron length among WAG-2 clones and phylogenetic tree topology suggested the existence of three homoeologs in the A, B or D genome of common wheat. Wheat AG-like genes were divided into WAG-1 and WAG-2 clades. The latter clade contained WAG-2, OsMADS3 and ZMM2 genes, indicating functional homoeology among them.
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