Molecular phylogenetics and taxonomic reassessment of four Indian representatives of the genus Nymphaea

被引：16

作者：

Dkhar, Jeremy ^{[1
]}

Kumaria, Suman ^{[1
]}

Rao, Satyawada Rama ^{[2
]}

Tandon, Pramod ^{[1
]}

机构：

[1] NE Hill Univ, Ctr Adv Studies Bot, Plant Biotechnol Lab, Shillong 793022, Meghalaya, India

[2] NE Hill Univ, Dept Biotechnol & Bioinformat, Shillong 793022, Meghalaya, India

来源：

AQUATIC BOTANY | 2010年 / 93卷 / 02期

关键词：

Phylogenetic relationship; Taxonomic revision; ITS; matK; trnK intron; Bayesian inference; Maximum parsimony; WATER-LILIES; CHLOROPLAST; NUCLEAR; INTROGRESSION; HYBRIDIZATION; INFERENCE; EVOLUTION; PATTERNS; MATK;

D O I：

10.1016/j.aquabot.2010.03.010

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

Because the classification of Nymphaea in India has been reported to be confusing, molecular taxonomic revision of four Indian representatives of the genus namely N. nouchali, N. pubescens, N. rubra and N. tetragona based on ITS, trnK intron and matK gene is presented and discussed. Molecular evidence provided here is in disagreement about the taxonomic identity of one specimen of N. nouchali and indicated a probable misidentification of N. tetragona. Interestingly, sequence analysis revealed lack of or low sequence divergence between N. pubescens and N. rubra. Phylogenetic relationship among members of Nymphaea subg. Lows, represented by all known species viz. N. lotus, N. petersiana, N. pubescens and N. rubra was also conducted. Maximum parsimony analysis of the combined data matrix depicted two clades with N. petersiana and N. lotus forming one. N. pubescens and N. rubra representing the other. Bayesian inference showed N. petersiana as first branching, followed by N. lotus with N. pubescens and N. rubra emerging as a separate clade. The results indicated no close association between N. petersiana and N. nouchali, thereby, contradicting the morphology-based treatment of placing N. petersiana in synonymy under N. capensis and N. nouchali, respectively. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：135 / 139

页数：5

共 40 条

[1]

Aiton WT., 1811, HORTUS KEWENSIS CATA, VIII.

[2]

[Anonymous], 2005, PHYLIP (phylogeny inference package) version 3.6

[3] Phylogeny of Nymphaea (Nymphaeaceae):: Evidence from substitutions and microstructural changes in the chloroplast trnT-trnF region [J].

Borsch, Thomas ;

Hilu, Khidir W. ;

Wiersema, John H. ;

Loehne, Cornelia ;

Barthlott, Wilhelm ;

Wilde, Volker .

INTERNATIONAL JOURNAL OF PLANT SCIENCES, 2007, 168 (05) :639-671

[4] Phylogeny and evolutionary patterns in Nymphaeales: integrating genes, genomes and morphology [J].

Borsch, Thomas ;

Loehne, Cornelia ;

Wiersema, John .

TAXON, 2008, 57 (04) :1052-1081

[5]

Caspary R., 1866, Annales musei botanici lugduno-batavi ed, V2, P241

[6]

Chauhan AS, 1983, ASSESSMENT THREATENE, P142

[7]

Conard H.S., 1905, WATERLILIES MONOGRAP

[8]

Cook CDK., 1996, Aquatic and wetland plants of India

[9]

DECANDOLLE AP, 1824, PRODROMUS SYSTEMATIS, V1, P115

[10]

DECANDOLLE AP, 1821, REGNI VEGETABILIS SY, V2, P52

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