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The complete chloroplast genome of Myriophyllum spicatum reveals a 4-kb inversion and new insights regarding plastome evolution in Haloragaceae
Liao, Yi-Ying1; Liu, Yu1; Liu, Xing2; Lu, Tian-Feng2; Mbichi, Ruth Wambui3; Wan, Tao1; Liu, Fan4
2020-03-01
Source PublicationECOLOGY AND EVOLUTION
ISSN2045-7758
Volume10Issue:6Pages:3090-3102
Abstract

Myriophyllum, among the most species-rich genera of aquatic angiosperms with ca. 68 species, is an extensively distributed hydrophyte lineage in the cosmopolitan family Haloragaceae. The chloroplast (cp) genome is useful in the study of genetic evolution, phylogenetic analysis, and molecular dating of controversial taxa. Here, we sequenced and assembled the whole chloroplast genome of Myriophyllum spicatum L. and compared it to other species in the order Saxifragales. The complete chloroplast genome sequence of M. spicatum is 158,858 bp long and displays a quadripartite structure with two inverted repeats (IR) separating the large single copy (LSC) region from the small single copy (SSC) region. Based on sequence identification and the phylogenetic analysis, a 4-kb phylogenetically informative inversion between trnE-trnC in Myriophyllum was determined, and we have placed this inversion on a lineage specific to Myriophyllum and its close relatives. The divergence time estimation suggested that the trnE-trnC inversion possibly occurred between the upper Cretaceous (72.54 MYA) and middle Eocene (47.28 MYA) before the divergence of Myriophyllum from its most recent common ancestor. The unique 4-kb inversion might be caused by an occurrence of nonrandom recombination associated with climate changes around the K-Pg boundary, making it interesting for future evolutionary investigations.

KeywordHaloragaceae hydrophyte inversion Myriophyllum spicatum structure variation
DOI10.1002/ece3.6125
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology ; Evolutionary Biology
WOS SubjectEcology ; Evolutionary Biology
WOS IDWOS:000521040300028
WOS KeywordDNA INVERSIONS ; SEQUENCE ; MICROSATELLITES ; REARRANGEMENTS ; ORGANIZATION ; SYSTEMATICS ; ALIGNMENT ; MARKERS ; TOOLS ; GENE
PublisherWILEY
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/35864
Collection中科院水生所知识产出(2009年前)
Corresponding AuthorWan, Tao; Liu, Fan
Affiliation1.Fairy Lake Bot Garden, Key Lab Southern Subtrop Plant Divers, Shenzhen, Peoples R China
2.Wuhan Univ, Coll Life Sci, Lab Plant Systemat & Evolutionary Biol, Wuhan, Peoples R China
3.Chinese Acad Sci, Sinoafrica Joint Res Ctr, Wuhan, Peoples R China
4.Chinese Acad Sci, Key Lab Aquat Bot & Watershed Ecol, Wuhan Bot Garden, Wuhan, Peoples R China
Recommended Citation
GB/T 7714
Liao, Yi-Ying,Liu, Yu,Liu, Xing,et al. The complete chloroplast genome of Myriophyllum spicatum reveals a 4-kb inversion and new insights regarding plastome evolution in Haloragaceae[J]. ECOLOGY AND EVOLUTION,2020,10(6):3090-3102.
APA Liao, Yi-Ying.,Liu, Yu.,Liu, Xing.,Lu, Tian-Feng.,Mbichi, Ruth Wambui.,...&Liu, Fan.(2020).The complete chloroplast genome of Myriophyllum spicatum reveals a 4-kb inversion and new insights regarding plastome evolution in Haloragaceae.ECOLOGY AND EVOLUTION,10(6),3090-3102.
MLA Liao, Yi-Ying,et al."The complete chloroplast genome of Myriophyllum spicatum reveals a 4-kb inversion and new insights regarding plastome evolution in Haloragaceae".ECOLOGY AND EVOLUTION 10.6(2020):3090-3102.
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