Global versus Chinese perspectives on the phylogeny of the N-fixing clade
Li, Hong-Lei1,2,3,4; Wang, Wei1; Li, Rui-Qi1; Zhang, Jing-Bo1; Sun, Miao1; Naeem, Rehan1; Su, Jun-Xia5; Xiang, Xiao-Guo1; Mortimer, Peter E.6,7; Li, De-Zhu7,8; Hyde, Kevin D.6,7,9; Xu, Jian-Chu6,7; Soltis, Douglas E.10,11,12; Soltis, Pamela S.11,12; Li, Jianhua13; Zhang, Shou-Zhou2,3; Wu, Hong4; Chen, Zhi-Duan1; Lu, An-Ming1
AbstractThere has been increasing interest in integrating a regional tree of life with community assembly rules in the ecological research. This raises questions regarding the impacts of taxon sampling strategies at the regional versus global scales on the topology. To address this concern, we constructed two trees for the nitrogen-fixing clade: (i) a genus-level global tree including 1023 genera; and (ii) a regional tree comprising 303 genera, with taxon sampling limited to China. We used the supermatrix approach and performed maximum likelihood analyses on combined matK, rbcL, and trnL-F plastid sequences. We found that the topology of the global and the regional tree of the N-fixing clade were generally congruent. However, whereas relationships among the four orders obtained with the global tree agreed with the accepted topology obtained in focused analyses with more genes, the regional topology obtained different relationships, albeit weakly supported. At a finer scale, the phylogenetic position of the family Myricaceae was found to be sensitive to sampling density. We expect that internal support throughout the phylogeny could be improved with denser taxon sampling. The taxon sampling approach (global vs. regional) did not have a major impact on fine-level branching patterns of the N-fixing clade. Thus, a well-resolved phylogeny with relatively dense taxon sampling strategy at the regional scale appears, in this case, to be a good representation of the overall phylogenetic pattern and could be used in ecological research. Otherwise, the regional tree should be adjusted according to the correspondingly reliable global tree.
KeywordGlobal Tree Of Life N-fixing Clade Phylogeny Regional Tree Of Life Supermatrix
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WOS IDWOS:000383771900008
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Affiliation1.Chinese Acad Sci, Inst Bot, State Key Lab Systemat & Evolutionary Bot, Beijing 100093, Peoples R China
2.Fairylake Bot Garden, Shenzhen Key Lab Southern Subtrop Plant Divers, Shenzhen, Guangdong, Peoples R China
3.Chinese Acad Sci, Shenzhen 518004, Guangdong, Peoples R China
4.South China Agr Univ, Coll Life Sci, Guangzhou 510642, Guangdong, Peoples R China
5.Shanxi Normal Univ, Coll Life Sci, Linfen 041004, Shanxi, Peoples R China
6.World Agroforestry Ctr, East & Cent Asia, Kunming 650201, Peoples R China
7.Chinese Acad Sci, Kunming Inst Bot, Key Lab Plant Divers & Biogeog East Asia, Kunming 650201, Peoples R China
8.Chinese Acad Sci, Kunming Inst Bot, Plant Germplasm & Genom Ctr, Germplasm Bank Wild Species, Kunming 650201, Peoples R China
9.Mae Fah Luang Univ, Sch Sci, Chiang Rai 57100, Thailand
10.Univ Florida, Dept Biol, Gainesville, FL 32611 USA
11.Univ Florida, Museum Nat Hist, Gainesville, FL 32611 USA
12.Univ Florida, Genet Inst, Gainesville, FL 32610 USA
13.Hope Coll, Dept Biol, Holland, MI 49423 USA
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Li, Hong-Lei,Wang, Wei,Li, Rui-Qi,et al. Global versus Chinese perspectives on the phylogeny of the N-fixing clade[J]. JOURNAL OF SYSTEMATICS AND EVOLUTION,2016,54(4):392-399.
APA Li, Hong-Lei.,Wang, Wei.,Li, Rui-Qi.,Zhang, Jing-Bo.,Sun, Miao.,...&Lu, An-Ming.(2016).Global versus Chinese perspectives on the phylogeny of the N-fixing clade.JOURNAL OF SYSTEMATICS AND EVOLUTION,54(4),392-399.
MLA Li, Hong-Lei,et al."Global versus Chinese perspectives on the phylogeny of the N-fixing clade".JOURNAL OF SYSTEMATICS AND EVOLUTION 54.4(2016):392-399.
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