期刊
PLANTS-BASEL
卷 10, 期 11, 页码 -出版社
MDPI
DOI: 10.3390/plants10112281
关键词
abiotic stress; ethylene; quinoa; proteome; salt stress; transcriptome
资金
- National Natural Science Foundation of China [31900247]
- Shandong Agricultural Variety Project
Quinoa, originated from South America, shows stronger salt tolerance than other crops, with ethylene and plant hormones playing important roles in its responses to salt stress. Through analysis of protein and gene expression, it was found that certain genes may be involved in regulating salt tolerance through pathways such as osmotic adjustment, cell wall organization, and plant hormone signaling.
Quinoa (Chenopodium quinoa Willd.), originated from the Andean region of South America, shows more significant salt tolerance than other crops. To reveal how the plant hormone ethylene is involved in the quinoa responses to salt stress, 4-week-old quinoa seedlings of 'NL-6 & PRIME; treated with water, sodium chloride (NaCl), and NaCl with ethylene precursor 1-aminocyclopropane-1-carboxylic acid (ACC) were collected and analyzed by transcriptional sequencing and tandem mass tag-based (TMT) quantitative proteomics. A total of 9672 proteins and 60,602 genes was identified. Among them, the genes encoding glutathione S-transferase (GST), peroxidase (POD), phosphate transporter (PT), glucan endonuclease (GLU), beta-galactosidase (BGAL), cellulose synthase (CES), trichome birefringence-like protein (TBL), glycine-rich cell wall structural protein (GRP), glucosyltransferase (GT), GDSL esterase/lipase (GELP), cytochrome P450 (CYP), and jasmonate-induced protein (JIP) were significantly differentially expressed. Further analysis suggested that the genes may mediate through osmotic adjustment, cell wall organization, reactive oxygen species (ROS) scavenging, and plant hormone signaling to take a part in the regulation of quinoa responses to ethylene and salt stress. Our results provide a strong foundation for exploration of the molecular mechanisms of quinoa responses to ethylene and salt stress.
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