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Combining genome-wide and transcriptome-wide analyses reveal the evolutionary conservation and functional diversity of aquaporins in cotton.

Published on Dec 1, 2019in BMC Genomics3.501
· DOI :10.1186/s12864-019-5928-2
Weixi Li2
Estimated H-index: 2
(NAU: Nanjing Agricultural University),
Dayong Zhang1
Estimated H-index: 1
(NAU: Nanjing Agricultural University)
+ 2 AuthorsGUOWangzhen33
Estimated H-index: 33
(NAU: Nanjing Agricultural University)
Abstract
Background Aquaporins (AQPs) are integral membrane proteins from a larger family of major intrinsic proteins (MIPs) and function in a huge variety of processes such as water transport, plant growth and stress response. The availability of the whole-genome data of different cotton species allows us to study systematic evolution and function of cotton AQPs on a genome-wide level.
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  • Citations (1)
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References91
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Allotetraploid cotton is an economically important natural-fiber-producing crop worldwide. After polyploidization, Gossypium hirsutum L. evolved to produce a higher fiber yield and to better survive harsh environments than Gossypium barbadense, which produces superior-quality fibers. The global genetic and molecular bases for these interspecies divergences were unknown. Here we report high-quality de novo–assembled genomes for these two cultivated allotetraploid species with pronounced improveme...
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#1Maojun Wang (HAU: Huazhong Agricultural University)H-Index: 13
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Allotetraploid cotton species (Gossypium hirsutum and Gossypium barbadense) have long been cultivated worldwide for natural renewable textile fibers. The draft genome sequences of both species are available but they are highly fragmented and incomplete1,2,3,4. Here we report reference-grade genome assemblies and annotations for G. hirsutum accession Texas Marker-1 (TM-1) and G. barbadense accession 3–79 by integrating single-molecule real-time sequencing, BioNano optical mapping and high-through...
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The ancestors of Gossypium arboreum and Gossypium herbaceum provided the A subgenome for the modern cultivated allotetraploid cotton. Here, we upgraded the G. arboreum genome assembly by integrating different technologies. We resequenced 243 G. arboreum and G. herbaceum accessions to generate a map of genome variations and found that they are equally diverged from Gossypium raimondii. Independent analysis suggested that Chinese G. arboreum originated in South China and was subsequently introduce...
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Background Plants contain a range of aquaporin (AQP) proteins, which act as transporter of water and nutrient molecules through living membranes. AQPs also participate in water uptake through the roots and contribute to water homeostasis in leaves.
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Cotton (Gossypium spp.) is commonly grouped into eight diploid genomic groups, designated A–G and K, and an allotetraploid genomic group, AD. Gossypium raimondii (D5) and G. arboreum (A2) are the putative contributors to the progenitor of G. hirsutum (AD1), the economically important fibre-producing cotton species. Mitochondrial DNA from week-old etiolated seedlings was extracted from isolated organelles using discontinuous sucrose density gradient method. Mitochondrial genomes were sequenced, a...
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