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首页> 外文期刊>Genome >Expression of salicylic acid-related genes in Brassica oleracea var. capitata during Plasmodiophora brassicae infection
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Expression of salicylic acid-related genes in Brassica oleracea var. capitata during Plasmodiophora brassicae infection

机译：水杨酸相关基因在甘蓝型油菜中的表达芸苔疟原虫感染期间的人头

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摘要

Brassica oleracea var. capitata (cabbage) is an important vegetable crop in Asian countries such as Korea, China, and Japan. Cabbage production is severely affected by clubroot disease caused by the soil-borne plant pathogen Plasmodiophora brassicae. During clubroot development, methyl salicylate (MeSA) is biosynthesized from salicylic acid (SA) by methyltransferase. In addition, methyl salicylate esterase (MES) plays a major role in the conversion of MeSA back into free SA. The interrelationship between MES and methytransferases during clubroot development has not been fully explored. To begin to examine these relationships, we investigated the expression of MES genes in disease-susceptible and disease-resistant plants during clubroot development. We identified three MES-encoding genes potentially involved in the defense against pathogen attack. Wefound that SS1 was upregulated in both the leaves and roots of B. oleracea during P. brassicae infection. These results support the conclusion that SA biosynthesis is suppressed during pathogen infection in resistant plants. We also characterized the expression of a B. oleracea BSMT gene, which appears to be involved in glycosylation rather than MeSA biosynthesis. Our results provide insight into the functions and interactions of genes for MES and methyltransferase during infection. Taken together, our findings indicate that MES genes are important candidates for use to control clubroot diseases.
机译：甘蓝型油菜在韩国，中国和日本等亚洲国家，白菜是重要的蔬菜作物。白菜的生产受到土壤传播的植物病原体Plasmodiophora brasicae引起的根瘤病的严重影响。在根部发育过程中，水杨酸甲酯（MeSA）是通过甲基转移酶从水杨酸（SA）生物合成的。此外，水杨酸甲酯酯酶（MES）在将MeSA转换回游离SA中起着重要作用。俱乐部根发育过程中MES和甲基转移酶之间的相互关系尚未得到充分探讨。为了开始检查这些关系，我们调查了Clubroot发育过程中易感病和抗病植物中MES基因的表达。我们确定了可能参与抵御病原体攻击的三个MES编码基因。我们发现在芸苔假单胞菌感染过程中，油菜双歧杆菌的叶和根中的SS1均被上调。这些结果支持这样的结论，即抗病植物在病原体感染期间SA生物合成受到抑制。我们还表征了油菜BSMT基因的表达，该基因似乎参与糖基化而不是MeSA生物合成。我们的结果提供了深入了解感染期间MES和甲基转移酶基因的功能和相互作用的信息。综上所述，我们的发现表明，MES基因是用于控制根瘤病的重要候选基因。

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