The root-knot nematode Meloidogyne incognita infects a variety of plants, including Arabidopsis thaliana. During migration, root-knot nematodes secrete different proteins to modify cell walls, which include pectolytic enzymes. However, the contribution of host cell wall proteins has not been described during this process. The function of two DUF642 cell wall proteins, BIIDXI (BDX, At4g32460) and TEEBE (TEB, At2g41800), in plant development could be related to the regulation of pectin methyl esterification status in the cell walls of different tissues. Accordingly, the expression of these two genes is up-regulated by auxin. BDX and TEB were highly induced during early M. incognita inoculation. Moreover, cell wall localization of the proteins was also induced. The cell wall localization of BDX and TEB DUF642 proteins during M. incognita early inoculation suggested that these two proteins could be involved in the regulation of the degree of pectin methylation during cell separation.

中文翻译：

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根结线虫早期接种期间，两种DUF642蛋白BIIDXI和TEEBE的细胞壁定位。

根节线虫南方根结线虫感染多种植物，包括拟南芥。在迁移过程中，根结线虫会分泌不同的蛋白质来修饰细胞壁，其中包括果胶分解酶。但是，在此过程中尚未描述宿主细胞壁蛋白的作用。BIIDXI（BDX，At4g32460）和TEEBE（TEB，At2g41800）这两种DUF642细胞壁蛋白在植物发育中的功能可能与不同组织细胞壁中果胶甲基酯化状态的调节有关。因此，这两个基因的表达被生长素上调。BDX和TEB早期过程中高度诱导南方根结线虫接种。此外，还诱导了蛋白质的细胞壁定位。期间BDX和TEB DUF642蛋白质的细胞壁定位南方根结线虫早期接种表明这两种蛋白质可能在果胶甲基化程度的细胞分离过程中的调节有关。