The Plant DNA C-values database (release 7.1): an updated online repository of plant genome size data for comparative studies
The Plant DNA C-values database (release 7.1): an updated online repository of plant genome size data for comparative studies
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DOI：
10.1111/nph.16261
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发表时间：
2019-11-08
期刊：
影响因子：
9.4
通讯作者：
Leitch, Ilia J.
中科院分区：
文献类型：
--
作者：
Pellicer, Jaume;Leitch, Ilia J.
近几十年来，随着人们越来越认识到这一关键生物多样性特征的生物学、进化和生态意义，对植物基因组大小（即未复制单倍体核中的DNA总量；Greilhuber et al., 2005）的兴趣呈指数级增长（例如参见Greilhuber & Leitch, 2013; Pellicer et al., 2018）。毫无疑问，这种兴趣在一定程度上是由陆地植物基因组大小的惊人多样性所支撑的（特别是被子植物，其范围为约2400倍；Pellicer等人，2010年），以及一些藻类分支中相当大的多样性，其中绿藻的绿藻分支变化最大，其范围为274倍。当然，现在很清楚，基因组大小可以在许多尺度上产生影响，从影响基因和基因组动力学（例如Dodsworth等人，2015）到在整个植物水平上发挥作用，例如影响植物生长策略、植物群落组成、植物-动物相互作用、进化轨迹和生态系统动力学（例如Suda等人，2015；Guignard等人，2016,2019;Simonin & Roddy, 2018）。在快速发展的高通量测序技术时代，c值还提供了估算全基因组测序成本所需的基线信息，因为这些信息与基因组的大小直接相关（例如Li & Harkess， 2018）。
In recent decades, interest in plant genome size (ie the total amount of DNA in the unreplicated haploid nucleus; Greilhuber et al., 2005) has been growing exponentially as the biological, evolutionary and ecological significance of this key biodiversity trait is increasingly recognized (eg see reviews by Greilhuber & Leitch, 2013; Pellicer et al., 2018). Such interest is no doubt, in part, underpinned by the staggering diversity of genome sizes encountered within land plants (eg especially angiosperms which show a range of c. 2400-fold; Pellicer et al., 2010) and the considerable diversity in some algal clades, with the most variable being in the Chlorophyta clade of green algae, which have a range of 274-fold. Certainly, it is now clear that genome size can have an impact at many scales, from influencing gene and genome dynamics (eg Dodsworth et al., 2015) to playing a role at the whole-plant level, influencing, for example, plant growth strategies, plant community composition, plant–animal interactions, evolutionary trajectories and ecosystem dynamics (eg Suda et al., 2015; Guignard et al., 2016, 2019; Simonin & Roddy, 2018). In the era of fast-evolving high-throughput-sequencing technologies, C-values also provide baseline information necessary for estimating whole-genome sequencing costs, as these are directly linked to the size of the genome (eg Li & Harkess, 2018).