title: Association mapping for five agronomic traits in the common bean (Phaseolus vulgaris L.).
abstract: BACKGROUND
  The common bean is the most important grain legume and a major source of protein in many developing countries. We analysed the following traits: pod fibre (PF), seeds per pod (SPP), plant type (PT), growth habit (GH), and days to flowering (DF) for a set of diverse common bean accessions and determined whether such traits were associated with amplified fragment length polymorphism (AFLP), simple sequence repeat (SSR) and single nucleotide polymorphism (SNP) markers.
  
  
  RESULTS
  In this study, 66 common bean genotypes were used and genotyped with 233 AFLP, 105 SNP and 80 SSR markers. The association analysis between markers and five traits was performed using a General Linear Model (GLM) in Trait Analysis by aSSociation, Evolution and Linkage (TASSEL). The population structure was determined using the STRUCTURE software, and seven groups (K = 7) were identified among genotypes. The associations for such traits were identified and quantified; 62 markers were associated with the five traits.
  
  
  CONCLUSIONS
  This study demonstrated that association mapping using a reasonable number of markers, distributed across the genome and with the appropriate number of individuals harboured to detect DNA markers linked to the traits of PF, SPP, PT, GH and DF in common bean.
authors.affiliation: Ege University -, Department of Bioengineering, Bornova-Izmir, 35100, Turkey.
authors.forename: Seda
authors.initials: S
authors.lastname: Nemli
authors.forename: Tansel Kaygisiz
authors.initials: TK
authors.lastname: Asciogul
authors.forename: Hilal Betul
authors.initials: HB
authors.lastname: Kaya
authors.forename: Abdullah
authors.initials: A
authors.lastname: Kahraman
authors.forename: Dursun
authors.initials: D
authors.lastname: Eşiyok
authors.forename: Bahattin
authors.initials: B
authors.lastname: Tanyolac
mesh_terms: D054458:Amplified Fragment Length Polymorphism Analysis; D001947:Breeding / Q000379:methods; D002874:Chromosome Mapping / Q000379:methods*; D005819:Genetic Markers / Q000235:genetics; D005838:Genotype; D027805:Phaseolus / Q000235:genetics* / Q000254:growth & development; D010641:Phenotype; D020641:Polymorphism, Single Nucleotide / Q000235:genetics; D040641:Quantitative Trait Loci / Q000235:genetics*; D012639:Seeds / Q000235:genetics
chemical_list: D005819:Genetic Markers
keywords: association mapping; common bean; days to flowering; growth habit; plant type; pod fibre