Two new species of dictyostelid cellular slime molds from Alaska

被引：8
|
作者：
Romeralo, Maria [1 ]
Landolt, John C. [2 ]
Cavender, James C. [3 ]
Laursen, Gary A. [4 ]
Baldauf, Sandie L. [1 ]
机构：
[1] Uppsala Univ, Dept Systemat Bot, SE-75236 Uppsala, Sweden
[2] Shepherd Univ, Dept Biol, Shepherdstown, WV 25443 USA
[3] Ohio Univ, Dept Environm & Plant Biol, Athens, OH 45701 USA
[4] Univ Alaska, Inst Arctic Biol, Fairbanks, AK 99775 USA
来源：
MYCOLOGIA | 2010年 / 102卷 / 03期
关键词：
Alaska; cellular slime molds; molecular data; morphology; taxonomy; MORPHOLOGY; TUNDRA; SOILS;
D O I：
10.3852/09-107
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
In sampling soils to survey dictyostelid cellular slime molds in Alaska we encountered two groups of isolates that have morphologies that differ from any previously described species within their group. We sequenced the nuclear small subunit ribosomal RNA gene (SSU rDNA) of selected isolates from the two groups and found sequences from both groups to be distinct from all previously described dictyostelid sequences. Phylogenetic analyses place one novel species in dictyostelid Group 2 and the other in Group 4 (Schaap et al. 2006). In this paper we formally describe as new these two species of cellular slime molds, Dictyostelium ammophilum sp. nov. and Dictyostelium borealesp. nov., based on the combination of morphological and molecular characters.
引用
收藏
页码：588 / 595
页数：8
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