Two new species of Pustula (Albuginales, Oomycota) from Junggar Basin in China based on morphology and molecular data

Biao Xu; Young Joon Choi; Jia Ge Song; Shan He Zhang; Ping Gen Xi; Hyeon-Dong Shin; Zi de Jiang

doi:10.1007/s11557-018-1378-5

Two new species of Pustula (Albuginales, Oomycota) from Junggar Basin in China based on morphology and molecular data

Biao Xu, Young Joon Choi, Jia Ge Song, Shan He Zhang, Ping Gen Xi, Hyeon-Dong Shin, Zi de Jiang

Division of Environmental Science and Ecological Engineering

Research output: Contribution to journal › Article

Abstract

Two new species of Pustula, P. cancriniae and P. xinyuanensis associated with Cancrinia discoidea and Convolvulus gortschakovii, respectively, are described based on morphological and molecular characters. They were placed in Pustula based on the following morphological characters: primary sporangia with an overall thickened wall, secondary sporangia with laterally thickened annulus, and oospores with reticulate wall ornamentation. In phylogenetic analysis inferred from the cox2 mtDNA region, P. xinyuanensis and P. cancriniae formed two independent lineages, apart from other known species of Pustula. Both morphological and molecular evidence confirmed the placement of the two species in Pustula and showed its relations with similar species in the genus. Moreover, this is the first record of Pustula on Convolvulaceae in the world.

Original language	English
Pages (from-to)	1-8
Number of pages	8
Journal	Mycological Progress
DOIs	https://doi.org/10.1007/s11557-018-1378-5
Publication status	Accepted/In press - 2018 Feb 2

Keywords

Albuginaceae
Asteraceae
Convolvulaceae
Desert plant
White blister rusts

ASJC Scopus subject areas

Ecology, Evolution, Behavior and Systematics
Agricultural and Biological Sciences (miscellaneous)

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Xu, B., Choi, Y. J., Song, J. G., Zhang, S. H., Xi, P. G., Shin, H-D., & de Jiang, Z. (Accepted/In press). Two new species of Pustula (Albuginales, Oomycota) from Junggar Basin in China based on morphology and molecular data. Mycological Progress, 1-8. https://doi.org/10.1007/s11557-018-1378-5

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title = "Two new species of Pustula (Albuginales, Oomycota) from Junggar Basin in China based on morphology and molecular data",

abstract = "Two new species of Pustula, P. cancriniae and P. xinyuanensis associated with Cancrinia discoidea and Convolvulus gortschakovii, respectively, are described based on morphological and molecular characters. They were placed in Pustula based on the following morphological characters: primary sporangia with an overall thickened wall, secondary sporangia with laterally thickened annulus, and oospores with reticulate wall ornamentation. In phylogenetic analysis inferred from the cox2 mtDNA region, P. xinyuanensis and P. cancriniae formed two independent lineages, apart from other known species of Pustula. Both morphological and molecular evidence confirmed the placement of the two species in Pustula and showed its relations with similar species in the genus. Moreover, this is the first record of Pustula on Convolvulaceae in the world.",

keywords = "Albuginaceae, Asteraceae, Convolvulaceae, Desert plant, White blister rusts",

author = "Biao Xu and Choi, {Young Joon} and Song, {Jia Ge} and Zhang, {Shan He} and Xi, {Ping Gen} and Hyeon-Dong Shin and {de Jiang}, Zi",

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AU - Xu, Biao

AU - Choi, Young Joon

AU - Song, Jia Ge

AU - Zhang, Shan He

AU - Xi, Ping Gen

AU - Shin, Hyeon-Dong

AU - de Jiang, Zi

PY - 2018/2/2

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N2 - Two new species of Pustula, P. cancriniae and P. xinyuanensis associated with Cancrinia discoidea and Convolvulus gortschakovii, respectively, are described based on morphological and molecular characters. They were placed in Pustula based on the following morphological characters: primary sporangia with an overall thickened wall, secondary sporangia with laterally thickened annulus, and oospores with reticulate wall ornamentation. In phylogenetic analysis inferred from the cox2 mtDNA region, P. xinyuanensis and P. cancriniae formed two independent lineages, apart from other known species of Pustula. Both morphological and molecular evidence confirmed the placement of the two species in Pustula and showed its relations with similar species in the genus. Moreover, this is the first record of Pustula on Convolvulaceae in the world.

AB - Two new species of Pustula, P. cancriniae and P. xinyuanensis associated with Cancrinia discoidea and Convolvulus gortschakovii, respectively, are described based on morphological and molecular characters. They were placed in Pustula based on the following morphological characters: primary sporangia with an overall thickened wall, secondary sporangia with laterally thickened annulus, and oospores with reticulate wall ornamentation. In phylogenetic analysis inferred from the cox2 mtDNA region, P. xinyuanensis and P. cancriniae formed two independent lineages, apart from other known species of Pustula. Both morphological and molecular evidence confirmed the placement of the two species in Pustula and showed its relations with similar species in the genus. Moreover, this is the first record of Pustula on Convolvulaceae in the world.

KW - Albuginaceae

KW - Asteraceae

KW - Convolvulaceae

KW - Desert plant

KW - White blister rusts

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