糖糖植物和盐生植物对钠的感知机制。

IF 6.3 1区 生物学 Q1 PLANT SCIENCES
Rabia Areej Cheema, Hafiz Mamoon Rehman, Sehar Nawaz, Shakeel Ahmad, Hon-Ming Lam
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引用次数: 0

摘要

植物,包括盐生植物(耐盐)和糖生植物(盐敏感),已经发展出不同的分子机制和形态适应在盐环境中生存。糖糖植物的盐感和胁迫耐受的细胞成分和分子过程已经被广泛地鉴定,但盐生植物还没有。盐度传感需要感知一个主要的土壤盐度贡献者,即钠离子(Na+)。Na+感知的确切分子机制或途径尚不清楚。对潜在Na+传感器候选者的调查发现了糖基肌醇磷酰神经酰胺(GIPC)磷脂的直接证据。在细胞中,Na+离子也被各种非选择性阳离子通道(NSCCs)感知,包括环核苷酸门控通道(CNGCs)和谷氨酸受体(GLRs),以及其他受体样激酶(RLKs)。本文综述了GIPCs、CNGCs、GLRs、RLKs,包括Catharanthus roseus rlk1样激酶、富含亮氨酸的重复延伸蛋白、凝集素RLKs和壁相关激酶在糖糖植物和盐生植物中作为潜在Na+传感器的作用。基于这些受体的现有信息,我们提出了两种植物Na+感知机制的新模型。糖生植物和盐生植物对Na+可能的感知机制的比较,可能为今后提高作物耐盐性提供研究途径。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Deciphering the Sodium Sensing Mechanisms in Glycophytes and Halophytes.

Plants, including halophytes (salt-tolerant) and glycophytes (salt-sensitive), have developed diverse molecular mechanisms and morphological adaptations to survive in saline environments. The cellular components and molecular processes for salinity sensing and stress tolerance have been extensively identified in glycophytes, but not so with halophytes. Salinity sensing requires the perception of a major soil salinity contributor, that is, sodium ions (Na+). The exact molecular mechanism or pathway for Na+ perception is still unclear. The investigations into potential Na+ sensor candidates uncovered glycosyl inositol phosphoryl ceramide (GIPC) phospholipids with direct evidence. In cells, Na+ ions are also sensed by various Non-selective cation channels (NSCCs), including the cyclic nucleotide-gated channels (CNGCs) and glutamate receptors (GLRs), and other receptor-like kinases (RLKs). This review surveyed the roles of GIPCs, CNGCs, GLRs, RLKs, including the Catharanthus roseus RLK1-like kinases, leucine-rich repeat extensins, lectin RLKs, and wall-associated kinases, as potential Na+ sensors in glycophytes and halophytes. Based on current information on these receptors, we proposed new models of Na+ sensing mechanisms in both plant types. The comparison of possible Na+ sensing mechanisms between glycophytes and halophytes might provide future research avenues for improving salt tolerance in crops.

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来源期刊
Plant, Cell & Environment
Plant, Cell & Environment 生物-植物科学
CiteScore
13.30
自引率
4.10%
发文量
253
审稿时长
1.8 months
期刊介绍: Plant, Cell & Environment is a premier plant science journal, offering valuable insights into plant responses to their environment. Committed to publishing high-quality theoretical and experimental research, the journal covers a broad spectrum of factors, spanning from molecular to community levels. Researchers exploring various aspects of plant biology, physiology, and ecology contribute to the journal's comprehensive understanding of plant-environment interactions.
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