期刊
PROTIST
卷 166, 期 3, 页码 310-322出版社
ELSEVIER GMBH
DOI: 10.1016/j.protis.2015.04.004
关键词
Bering Sea; Mesomycetozoea; rRNA; saprotrophic; Sphaeroforma
类别
资金
- National Science Foundation [DGE-0801720, 1303901]
- Office of Polar Programs (OPP)
- Directorate For Geosciences [1303901] Funding Source: National Science Foundation
The genus Sphaeroforma previously encompassed organisms isolated exclusively from animal symbionts in marine systems. The first saprotrophic sphaeroformids (Mesomycetozoea) isolated from non-animal hosts are described here. Sphaeroforma sirkka and S. napiecek are also the first species in the genus possessing endogenous DNA-containing motile propagules and central vacuoles, traits that have previously guided morphological differentiation of sphaeroformids from the genus Creolimax. Phylogenetic analysis of DNA sequences from the 18S rRNA and the ITS1-5.8S-ITS2 loci firmly place S. sirkka and S. napiecek within Sphaeroforma, extending the number of known species to six within this genus. The discovery of these species increases the geographical range, cellular variation and life history complexity of the sphaeroformids. (C) 2015 Elsevier GmbH. All rights reserved.
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