Flax (Linum usitatissimum L.) response to non-optimal soil acidity and zinc deficiency

BMC Plant Biology
Alexey A DmitrievNataliya V Melnikova

Abstract

Flax (Linum usitatissimum L.) is grown for fiber and seed production. Unfavorable environments, such as nutrient deficiency and non-optimal soil acidity, decrease the quantity and quality of yield. Cultivation of tolerant to stress varieties can significantly reduce the crop losses. Understanding the mechanisms of flax response to the stresses and identification of resistance gene candidates will help in breeding of improved cultivars. In the present work, the response of flax plants to increased pH level and zinc (Zn) deficiency was studied. We performed high-throughput transcriptome sequencing of two flax cultivars with diverse tolerance to increased pH level and Zn deficiency: Norlin (tolerant) and Mogilevsky (sensitive). Sixteen cDNA libraries were created from flax plants grown under control conditions, increased pH level, Zn deficiency, and both stresses simultaneously, and about 35 million reads were obtained for each experiment type. Unfavorable pH resulted in significantly stronger gene expression alterations compared to Zn deficiency. Ion homeostasis, oxidoreductase activity, cell wall, and response to stress Gene Ontology terms were the most affected by unfavorable pH and Zn deficiency both in tolerant and sensitive ...Continue Reading

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Citations

Mar 1, 2019·BMC Plant Biology·Yuriy L OrlovAlex V Kochetov
Apr 4, 2019·BioMed Research International·George S KrasnovNataliya V Melnikova
Dec 29, 2020·Frontiers in Genetics·Alexey A DmitrievNataliya V Melnikova
Feb 2, 2021·Frontiers in Genetics·Alexey A DmitrievNataliya V Melnikova

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Methods Mentioned

BETA
MDS

Software Mentioned

blastp
blastx
BUSCO
RSEM
HMMER
Trinity
TransDecoder
edgeR
MiniKraken
bowtie2

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