Comparison of a new thiomicrospira strain from the mid-atlantic ridge with known hydrothermal vent isolates
A new autotrophic Thiomicrospira strain, MA-3, was isolated from the surface of a polymetal sulfide deposit collected at a Mid-Atlantic Ridge hydrothermal vent site. The DNA homology among three vent isolates, Thiomicrospira crunogena, Thiomicrospira sp. strain L-12, and Thiomicrospira sp. strain MA-3, was 99.3% or higher, grouping them as the same species, T. crunogena (type strain, ATCC 35932). The fact that T. crunogena and Thiomicrospira sp. strain L-12 were isolated from Pacific vent sites demonstrates a cosmopolitan distribution of this species.
Wirsen
CO
Department of Biology, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA.
Brinkhoff
T
Kuever
J
Muyzer
G
Molyneaux
S
Jannasch
HW