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Adaptation to herbivory by the Tammar wallaby includes bacterial and glycoside hydrolase profiles different from other herbivores

Metagenomic and bioinformatic approaches were used to characterize plant biomass conversion within the foregut microbiome of Australia’s “model” marsupial, the Tammar wallaby (Macropus eugenii). Like the termite hindgut and bovine rumen, key enzymes and modular structures characteristic of the “free enzyme” and “cellulosome” paradigms of cellulose solubilization remain either poorly represented or elusive to capture… [Read More]

Complete genome sequence of Sulfurospirillum deleyianum type strain (5175)

Sulfurospirillum deleyianum Schumacher et al. 1993 is the type species of the genus Sulfurospirillum. S. deleyianum is a model organism for studying sulfur reduction and dissimilatory nitrate reduction as an energy source for growth. Also, it is a prominent model organism for studying the structural and functional characteristics of cytochrome c nitrite reductase. Here, we… [Read More]

Genomic analysis of organismal complexity in the multicellular green alga Volvox carteri

The multicellular green alga Volvox carteri and its morphologically diverse close relatives (the volvocine algae) are well suited for the investigation of the evolution of multicellularity and development. We sequenced the 138-mega-base pair genome of V. carteri and compared its approximately 14,500 predicted proteins to those of its unicellular relative Chlamydomonas reinhardtii. Despite fundamental differences… [Read More]

Complete genome sequence of Segniliparus rotundus type strain (CDC 1076)

Segniliparus rotundus Butler 2005 is the type species of the genus Segniliparus, which is currently the only genus in the corynebacterial family Segniliparaceae. This family is of large interest because of a novel late-emerging genus-specific mycolate pattern. The type strain has been isolated from human sputum and is probably an opportunistic pathogen. Here we describe… [Read More]

Complete genome sequence of Jonesia denitrificans type strain (Prevot 55134)

Jonesia denitrificans (Prevot 1961) Rocourt et al. 1987 is the type species of the genus Jonesia, and is of phylogenetic interest because of its isolated location in the actinobacterial suborder Micrococcineae. J. denitrificans is characterized by a typical coryneform morphology and is able to form irregular nonsporulating rods showing branched and club-like forms. Coccoid cells… [Read More]

Complete genome sequence of Meiothermus silvanus type strain (VI-R2)

Meiothermus silvanus (Tenreiro et al. 1995) Nobre et al. 1996 belongs to a thermophilic genus whose members share relatively low degrees of 16S rRNA gene sequence similarity. Meiothermus constitutes an evolutionary lineage separate from members of the genus Thermus, from which they can generally be distinguished by their slightly lower temperature optima. M. silvanus is… [Read More]

Complete genome sequence of Conexibacter woesei type strain (ID131577)

The genus Conexibacter (Monciardini et al. 2003) represents the type genus of the family Conexibacteraceae (Stackebrandt 2005, emend. Zhi et al. 2009) with Conexibacter woesei as the type species of the genus. C. woesei is a representative of a deep evolutionary line of descent within the class Actinobacteria. Strain ID131577(T) was originally isolated from temperate… [Read More]

Complete genome sequence of Kribbella flavida type strain (IFO 14399)

The genus Kribbella consists of 15 species, with Kribbella flavida (Park et al. 1999) as the type species. The name Kribbella was formed from the acronym of the Korea Research Institute of Bioscience and Biotechnology, KRIBB. Strains of the various Kribbella species were originally isolated from soil, potato, alum slate mine, patinas of catacombs or… [Read More]

Complete genome sequence of Slackia heliotrinireducens type strain (RHS 1)

Slackia heliotrinireducens (Lanigan 1983) Wade et al. 1999 is of phylogenetic interest because of its location in a genomically yet uncharted section of the family Coriobacteriaceae, within the deep branching Actinobacteria. Strain RHS 1(T) was originally isolated from the ruminal flora of a sheep. It is a proteolytic anaerobic coccus, able to reductively cleave pyrrolizidine… [Read More]