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dc.contributor.authorChmielewska, Beata-
dc.contributor.authorJaniak, Agnieszka-
dc.contributor.authorKarcz, Jagna-
dc.contributor.authorGuzy-Wróbelska, Justyna-
dc.contributor.authorForster, Brian P.-
dc.contributor.authorNawrot, Małgorzata-
dc.contributor.authorRusek, Anna-
dc.contributor.authorSmyda, Paulina-
dc.contributor.authorKędziorski, Piotr-
dc.contributor.authorMałuszyński, Mirosław-
dc.contributor.authorSzarejko, Iwona-
dc.identifier.citationJournal of Applied Genetics, 2014, no. 4, s. 433-447pl_PL
dc.description.abstractRoot hairs are tubular outgrowths of specialized epidermal cells called trichoblasts. They affect anchoring plants in soil, the uptake of water and nutrients and are the sites of the interaction between plants and microorganisms. Nineteen root hair mutants of barley representing different stages of root hair development were subjected to detailed morphological and genetic analyses. Each mutant was monogenic and recessive. An allelism test revealed that nine loci were responsible for the mutated root hair phenotypes in the collection and 1–4 mutated allelic forms were identified at each locus. Genetic relationships between the genes responsible for different stages of root hair formation were established. The linkage groups of four loci rhl1, rhp1, rhi1 and rhs1, which had previously been mapped on chromosomes 7H, 1H, 6H and 5H, respectively, were enriched with new markers that flank the genes at a distance of 0.16 cM to 4.6 cM. The chromosomal position of three new genes – two that are responsible for the development of short root hairs (rhs2 and rhs3) and the gene that controls an irregular root hair pattern (rhi2) – were mapped on chromosomes 6H, 2H and 1H, respectively. A comparative analysis of the agrobotanical parameters between some mutants and their respective parental lines showed that mutations in genes responsible for root hair development had no effect on the agrobotanical performance of plants that were grown under controlled conditions. The presented mutant collection is a valuable tool for further identification of genes controlling root hair development in barley.pl_PL
dc.rightsUznanie autorstwa 3.0 Polska*
dc.subjectAgrobotanical analysispl_PL
dc.subjectGenetic analysispl_PL
dc.subjectRoot hairspl_PL
dc.titleMorphological, genetic and molecular characteristics of barley root hair mutantspl_PL
dc.relation.journalJournal of Applied Geneticspl_PL
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