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Morphological and molecular characterization of Xiphinema species from Shenzhen, China Cover

Morphological and molecular characterization of Xiphinema species from Shenzhen, China

By: Y. Zeng,  W. Ye,  Z. Zhang,  H. Sun,  L. Yong,  Y. Huang,  K. Zhao,  H. Liang and  J. Kerns  
Open Access
|Mar 2016

Abstract

During a nematode biodiversity survey from 2012 to 2014 in Shenzhen, China, ten nematode populations (SZX1301–SZX1310) of Xiphinema were recovered from rhizosphere of different plants, namely Acacia mangium (SZX1306), A. confuse (SZX1309), Blechnum orientale (SZX1301, SZX1302, SZX1307, SZX1308), Litchi chinensis (SZX1304, SZX1310) in Tianxinshan and Gleichenia linearis (SZX1303, SZX1305) in Yangmeikeng environmental monitoring sites. Morphological and molecular profiles of these populations were determined. Three species of Xiphinema, i.e., X. hunanienseWang & Wu, 1992, X. brasilienseLordello, 1951 and X. americanum Cobb, 1913 sensu lato were identified using morphological characters and molecular data of partial 18S and 28S D2–D3 rDNA expansion segments. Four populations (SZX1301–SZX1304) were X. hunaniense, one population (SZX1305) X. brasiliense, and five populations (SZX1306–SZX1310) X. americanum s.l.. Phylogenetic analysis based on sequences of the 28S rDNA D2–D3 expansion segment revealed these three species are all distinct species and supported a close relationship with their corresponding species. This is the first report of X. hunaniense, X. brasiliense and X. americanum s.l. in their hosts except for L. chinensis.

DOI: https://doi.org/10.1515/helmin-2015-0068 | Journal eISSN: 1336-9083 | Journal ISSN: 0440-6605
Language: English
Page range: 62 - 75
Submitted on: May 12, 2015
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Accepted on: Aug 31, 2015
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Published on: Mar 10, 2016
In partnership with: Paradigm Publishing Services
Publication frequency: Volume open

© 2016 Y. Zeng, W. Ye, Z. Zhang, H. Sun, L. Yong, Y. Huang, K. Zhao, H. Liang, J. Kerns, published by Slovak Academy of Sciences, Institute of Parasitology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.