Joint genetic and network analyses identify loci associated with root growth under NaCl stress in Arabidopsis thaliana

• DOI: 10.1111/pce.12691
• Publication Date: 2015-12-15T06:27:14Z
• Authors: Yuriko Kobayashi; Ayan Sadhukhan; Tanveer Tazib; Yuki Nakano; Kazutaka Kusunoki; Mohamed Kamara; Radhouane Chaffai; Satoshi Iuchi; Lingaraj Sahoo; Masatomo Kobayashi; Owen A. Hoekenga; Hiroyuki Koyama
• Keywords: Root (linguistics); Drought stress

Plants have evolved a series of tolerance mechanisms to saline stress, which perturbs physiological processes throughout the plant. To identify genetic associated with salinity tolerance, we performed linkage analysis and genome-wide association study (GWAS) on maintenance root growth Arabidopsis thaliana in hydroponic culture weak severe NaCl toxicity. The top 200 single-nucleotide polymorphisms (SNPs) determined by GWAS could cumulatively explain approximately 70% variation observed at each stress level. most significant SNPs were linked genes ATP-binding cassette B10 vacuolar proton ATPase A2. Several known such as potassium channel KAT1 calcium sensor SOS3 also 200. In parallel, constructed gene co-expression network independently verify that particular groups work together common purpose. We molecular confer salt from both predictable novel sources validate utility combined analysis. Additionally, our indicates architecture is responsive severity stress. These datasets are information resource for following exploration function.