Sorghum-encoded microRNAs: current status and future prospects

IF 1.7 4区 生物学 Q4 BIOTECHNOLOGY & APPLIED MICROBIOLOGY
Rekha Yadav, Chandra Pal Singh
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Abstract

Sorghum (Sorghum bicolor (L.) Moench) is an annual or short-term perennial plant belonging to the economically important family Poaceae. Sorghum, a C4 crop, has multiple uses like food, fodder, forage, and also as a biofuel feedstock. With an ability to thrive under harsh environmental conditions and adaptability to diverse climates and soils, sorghum has a long history of cultivation in the semi-arid tropics of Africa, Asia, and Latin America. Gene regulation plays an important role in adaptability to adverse environmental conditions. MicroRNAs (miRNAs) are one of the classes of small non-coding RNAs that have emerged as a key regulators of gene expression. These small RNAs are profoundly present in all higher eukaryotes including plants. These are involved in regulating the intrinsic normal growth of cells and the development of organisms as well as in maintaining the integrity of genomes. In plants, miRNAs have been functionally implicated in abiotic stress tolerance, flower development, root development, grain size determination, yield, and immune responses. Several miRNAs have been reported in sorghum, and the potential functions of some miRNAs have been characterized. Here, in this review, an overview of sorghum-encoded miRNAs is provided. The potential known and putative functions of these miRNAs are critically discussed. In addition, the possible methods for employing miRNAs as a tool for sorghum improvement are also suggested. The present review will help us to understand the miRNA functions in sorghum and underlying regulatory gene networks which have applications to design effective methods to achieve desired traits.

Abstract Image

高粱编码的 microRNA:现状与前景
高粱(Sorghum bicolor (L.) Moench)是一种一年生或短期多年生植物,属于具有重要经济价值的菊科。高粱是一种 C4 作物,具有多种用途,如粮食、饲料、饲草和生物燃料原料。高粱能在恶劣的环境条件下茁壮成长,并能适应不同的气候和土壤,在非洲、亚洲和拉丁美洲的半干旱热带地区有着悠久的种植历史。基因调控在适应恶劣环境条件方面发挥着重要作用。微小核糖核酸(miRNA)是非编码小核糖核酸的一种,已成为基因表达的关键调控因子。这些小 RNA 广泛存在于包括植物在内的所有高等真核生物中。它们参与调控细胞内在的正常生长和生物体的发育,并维护基因组的完整性。在植物中,miRNA 在非生物胁迫耐受性、花的发育、根的发育、谷粒大小的决定、产量和免疫反应等方面都有功能上的影响。目前已报道了高粱中的几种 miRNA,并对一些 miRNA 的潜在功能进行了描述。本综述概述了高粱编码的 miRNA。本文对这些 miRNAs 的已知和推测的潜在功能进行了深入探讨。此外,还提出了利用 miRNAs 作为高粱改良工具的可行方法。本综述将有助于我们了解 miRNA 在高粱中的功能和潜在的调控基因网络,从而设计出有效的方法来实现理想的性状。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Plant Biotechnology Reports
Plant Biotechnology Reports 生物-生物工程与应用微生物
CiteScore
4.10
自引率
4.20%
发文量
72
审稿时长
>12 weeks
期刊介绍: Plant Biotechnology Reports publishes original, peer-reviewed articles dealing with all aspects of fundamental and applied research in the field of plant biotechnology, which includes molecular biology, genetics, biochemistry, cell and tissue culture, production of secondary metabolites, metabolic engineering, genomics, proteomics, and metabolomics. Plant Biotechnology Reports emphasizes studies on plants indigenous to the Asia-Pacific region and studies related to commercialization of plant biotechnology. Plant Biotechnology Reports does not exclude studies on lower plants including algae and cyanobacteria if studies are carried out within the aspects described above.
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