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首页> 外文期刊>Israel Journal of Plant Sciences >Genes and proteins involved in cellulose synthesis in plants
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Genes and proteins involved in cellulose synthesis in plants

机译：植物纤维素合成中涉及的基因和蛋白质

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In recent years, progress has been made in the identification of genes that encode proteins critical for the process of cellulose synthesis in plants. CesA genes encode proteins that are proposed to catalyze the glucan chain elongation step. CesA genes comprise a relatively large gene family in which some members may function in cell-type-specific expression, while others may serve as redundant genes mutually expressed within one cell type. In addition to CesA, evidence suggests the importance of other proteins in the process. For example, a cytoskeletal-anchored form of sucrose synthase may play a role in channeling substrate, and other cytoskeletal proteins may be involved in directing the orientation of microfibril deposition. Recent evidence suggests that a membrane-associated cellulase also plays some critical role in the process of cellulose synthesis. While the power of molecular biology, isolation of specific mutants, and genomics are certainly leading to new insights into the process, the major challenge still facing the field is to develop functional assays in which the entire process can be reconstituted and the specific roles played by each gene product clarified.
机译：近年来，在编码对植物中纤维素合成过程至关重要的蛋白质的基因的鉴定方面已取得进展。 CesA基因编码被提议催化葡聚糖链延长步骤的蛋白质。 CesA基因包含一个相对较大的基因家族，其中某些成员可能在细胞类型特异性表达中起作用，而其他成员可能充当一种细胞类型中相互表达的冗余基因。除CesA外，证据表明在此过程中其他蛋白质也很重要。例如，蔗糖合酶的细胞骨架锚定形式可能在引导底物方面起作用，而其他细胞骨架蛋白可能参与指导微纤维沉积的方向。最近的证据表明，与膜相关的纤维素酶在纤维素合成过程中也起着关键作用。虽然分子生物学的力量，特定突变体的分离和基因组学无疑会带来新的认识，但该领域仍然面临的主要挑战是开发功能分析方法，在其中可以重构整个过程，并发挥特定作用。阐明每个基因产物。

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