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首页> 外文期刊>Soil Science and Plant Nutrition >Arabidopsis thaliana PRL1 is involved in low-calcium tolerance
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Arabidopsis thaliana PRL1 is involved in low-calcium tolerance

机译：拟南芥PRL1与低钙耐受性有关

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Calcium (Ca) deficiency symptoms in plants often occur in agriculture; however, little is known about the mechanisms for adaptation to low-Ca conditions. To understand the mechanisms, we screened for Arabidopsis thaliana (L.) Heynh mutants sensitive to low Ca. Here, we describe one of the mutants, lcs1-1, isolated from the screen. The relative shoot growth of the mutant was reduced under the low-Ca conditions compared with the wild-type plants. Genetic mapping and genome resequencing revealed that lcs1-1 has one nonsynonymous mutation in the region of the chromosome responsible for the phenotype. The mutation is in Pleiotropic Regulatory Locus 1 (PRL1). An allelism test between lcs1-1 and a T-DNA inserted allele of prl1 demonstrates that the causal gene of lcs1-1 is PRL1. It has been reported that PRL1 is involved in sugar metabolism; however, the involvement of PRL1 in low-Ca tolerance has not been reported. Our results suggest a new insight connecting sugar metabolism with a mechanism for low-Ca tolerance in plants.
机译：植物中的钙（Ca）缺乏症状通常在农业中发生;然而，对于适应低钙条件的机制知之甚少。为了了解机制，我们筛选了对低钙敏感的拟南芥（L.）Heynh突变体。在这里，我们描述了从屏幕上分离出的一个突变体lcs1-1。与野生型植物相比，在低钙条件下，突变体的相对芽生长减少。遗传作图和基因组重测序表明，lcs1-1在负责表型的染色体区域中具有一个非同义突变。该突变在多效性调节基因座1（PRL1）中。在lcs1-1和prl1的T-DNA插入等位基因之间进行的等位测试表明，lcs1-1的因果基因是PRL1。据报道，PRL1参与糖代谢。但是，尚未报道PRL1参与低Ca耐受性。我们的结果提出了一种新的见解，将糖代谢与植物对低钙的耐受性联系起来。

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