Transcriptomic analysis revealed the candidate metabolic pathways and genes associated with cold tolerance in a mutant without anthocyanin accumulation in common vetch (Vicia sativa L.)

Sun, Yajing; Lu, Yiwen; Xi, Haojie; Geng, Bohao; Shi, Haojie; Zhao, Naiqin; Guo, Zhenfei

doi:10.1016/j.plaphy.2023.107770

Cited by 3 publications

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“…A draft genome sequence of common vetch has been reported [ 17 , 18 ], which benefits the identification of important genes. A transcriptomic analysis is performed to reveal the candidate genes involved in pod shattering [ 19 ] and responses to Cd, drought, cold, and salt [ 20 , 21 , 22 , 23 , 24 ]. The salt tolerance in 54 lines of common vetch has been evaluated, and the differential physiological responses to salt stress between the salt-tolerant and salt-sensitive lines showed that the capacity for the maintenance of Na + and K + homeostasis, the accumulation of proline, and the activation of the antioxidant defense system is associated with salt tolerance in common vetch [ 25 ].…”

Section: Introductionmentioning

confidence: 99%

Transcriptome Profiling Reveals Molecular Responses to Salt Stress in Common Vetch (Vicia sativa L.)

Sun,

Zhao,

Sun

et al. 2024

Plants

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Common vetch (Vicia sativa L.) is an important annual diploid leguminous forage. In the present study, transcriptomic profiling in common vetch in response to salt stress was conducted using a salt-tolerant line (460) and a salt-sensitive line (429). The common responses in common vetch and the specific responses associated with salt tolerance in 460 were analyzed. Several KEGG (Kyoto Encyclopedia of Genes and Genomes) pathways, including plant hormone and MAPK (mitogen-activated protein kinase) signaling, galactose metabolism, and phenylpropanoid phenylpropane biosynthesis, were enriched in both lines, though some differentially expressed genes (DEGs) showed distinct expression patterns. The roots in 460 showed higher levels of lignin than in 429. α-linolenic acid metabolism, carotenoid biosynthesis, the photosynthesis-antenna pathway, and starch and sucrose metabolism pathways were specifically enriched in salt-tolerant line 460, with higher levels of accumulated soluble sugars in the leaves. In addition, higher transcript levels of genes involved in ion homeostasis and reactive oxygen species (ROS) scavenging were observed in 460 than in 429 in response to salt stress. The transcriptomic analysis in common vetch in response to salt stress provides useful clues for further investigations on salt tolerance mechanism in the future.

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