韧皮部
生物
基因表达谱
仿形(计算机编程)
植物生物学
基因
基因表达
计算生物学
进化生物学
植物
遗传学
计算机科学
操作系统
作者
Rozenn Le Hir,Julie Bénéteau,Catherine Bellini,Françoise Vilaine,Sylvie Dinant
标识
DOI:10.1016/j.tplants.2008.03.006
摘要
Phloem is the major route for transport of carbohydrates, amino acids, and other nutrients from source to sink tissues. Hormones, mRNAs, small RNAs and proteins also are transported by the phloem, and potentially play pivotal roles in communication between organs to coordinate plant development and physiology. A comprehensive understanding of the mechanisms involved in phloem transport and signalling is still lacking. Recent transcript profiling in several plant species has provided new insights to phloem-specialized functions. Here, we review conclusions regarding the unique functions of the phloem and discuss putative roles for mRNAs and small RNA species in long-distance signalling.
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