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Microbial Genetics   Research Article

Energetic metabolism of Chromobacterium violaceum

Authors: T�¢nia B. Creczynski-Pasa, Regina V. Ant�´nio

Chromobacterium violaceum is a free-living microorganism, normally exposed to diverse environmental conditions; it has a versatile energy-generating metabolism. This bacterium is capable of exploiting a wide range of energy resources by using appropriate oxidases and reductases. This allows C. violaceum to live in both aerobic.. Read More»

Genet. Mol. Res. 3(1):
Microbial Genetics   Research Article

Chromobacterium violaceum genome: molecular mechanisms associated with pathogenicity

Authors: Cristiana F. Alves de Brito, Cl�¡udia M. B. Carvalho, Fabr�­cio R. Santos, Ricardo T. Gazzinelli, Sergio C. Oliveira, Vasco Azevedo, Santuza M.R. Teixeira

Chromobacterium violaceum is a versatile, Gram-negative β-protebacterium that grows in a variety of ecosystems in tropical and subtropical areas, such as the water and borders of the Negro River, in the Amazon region of Brazil. Although it is a saprophyte and is generally considered non-pathogenic, sporadic cases of human.. Read More»

Genet. Mol. Res. 3(1):
Microbial Genetics   Research Article

Drug resistance in Chromobacterium violaceum

Authors: Fabiana Fantinatti-Garboggini, Rosana de Almeida, Vin�­cius do Amaral Portillo, T�©rcio A.P. Barbosa, Peterson Beltramini Trevilato, C�­cero Eduardo Ramalho Neto, Ros�¢ngela Duarte Co�ªlho, Luciana Aparecida Bartoleti, Ebert Seixas Hanna, Marcelo Brocchi, Gilson P. Manfio, Denise Wanderlei Silva

Chromobacterium violaceum is a free-living bacterium commonly found in aquatic habitats of tropical and subtropical regions of the world. This bacterium is able to produce a large variety of products of biotechnological and pharmacological use. Although C. violaceum is considered to be non-pathogenic, some cases of severe infe.. Read More»

Genet. Mol. Res. 3(1):
Microbial Genetics   Research Article

Transport genes of Chromobacterium violaceum: an overview

Authors: Thalles Barbosa Grangeiro, Daniel Macedo de Melo Jorge, Walderly Melga�§o Bezerra, Ana Tereza Ribeiro Vasconcelos, Andrew John George Simpson

The complete genome sequence of the free-living bacterium Chromobacterium violaceum has been determined by a consortium of laboratories in Brazil. Almost 500 open reading frames (ORFs) coding for transport-related membrane proteins were identified in C. violaceum, which represents 11% of all genes found. The main class of tran.. Read More»

Genet. Mol. Res. 3(1):
Microbial Genetics   Research Article

Tolerance to stress and environmental adaptability of Chromobacterium violaceum

Authors: Mariangela Hungria, Marisa Fabiana Nicol�¡s. Claudia Teixeira Guimar�£es, S�­lvia Neto Jardim, Eliane Aparecida Gomes, Ana Tereza Ribeiro de Vasconcelos

Chromobacterium violaceum is a Gram-negative bacterium, abundant in a variety of ecosystems in tropical and subtropical regions, including the water and borders of the Negro River, a major component of the Amazon Basin. As a free-living microorganism, C. violaceum is exposed to a series of variable conditions, such as differen.. Read More»

Genet. Mol. Res. 3(1):
Microbial Genetics   Research Article

Chemotaxis and flagellar genes of Chromobacterium violaceum

Authors: Maristela Pereira, Juliana Alves Parente, Luiz Artur Mendes Bataus, Divina das Dores de Paula Cardoso, Renata Bastos Ascen�§o Soares, C�©lia Maria de Almeida Soares

The availability of the complete genome of the Gram-negative β-proteobacterium Chromobacterium violaceum has increasingly impacted our understanding of this microorganism. This review focuses on the genomic organization and structural analysis of the deduced proteins of the chemosensory adaptation system of C. violaceum. .. Read More»

Genet. Mol. Res. 3(1):
Microbial Genetics   Research Article

Gene expression in Chromobacterium violaceum

Authors: Rosane Silva, J�ºlia R. Araripe, Edson Rondinelli, Tur�¡n P. ��rm�©nyi

The repertoire of 4,431 open reading frames (ORFs), eight rRNA operons and 98 tRNA genes of Chromobacterium violaceum must be expressed in a regulated manner for successful adaptation to a wide variety of environmental conditions. To accomplish this feat, the organism relies on protein machineries involved in transcription, RN.. Read More»

Genet. Mol. Res. 3(1):
Human Genetics   Research Article

Closure of rRNA related gaps in the Chromobacterium violaceum genome with the PCR-assisted contig extension (PACE) protocol

Authors: Dirce Maria Carraro, Anamaria Aranha Camargo, Anna Christina Matos Salim, Luiz Gonzaga Gisele Cavalcante da Costa, Ana Tereza Ribeiro de Vasconcelos, Andrew J.G. Simpson

In the finishing phase of the Chromobacterium violaceum genome project, the shotgun sequences were assembled into 57 contigs that were then organized into 19 scaffolds, using the information from shotgun and cosmid clones. Among the 38 ends resulting from the 19 scaffolds, 10 ended with sequences corresponding to rRNA genes (s.. Read More»

Genet. Mol. Res. 3(1):
Human Genetics   Research Article

Coordinated, network-based research as a strategic component of science in Brazil

Authors: Andrew J.G. Simpson, Anamaria A. Camargo, Jesus Aparecido Ferro. Jucara Parra, Ana Tereza Vasconcelos

Scientific research plays a fundamental role in the health and development of any society, since all technological advances depend ultimately on scientific discovery and the generation of wealth is intricately dependent on technological advance. Due to their importance, science and technology generally occupy important places .. Read More»

Genet. Mol. Res. 3(1):
Animal Genetics   Research Article

Age-of-dam adjustment factors for birth and weaning weight records of beef cattle: a review

Authors: Janice M. Rumph, L. Dale Van Vleck

Age-of-dam adjustment factors are used to preadjust birth and weaning weight data for national beef cattle genetic evaluations. Adjustments are used in order to make the means of the different age-of-dam subclasses similar so that a fair comparison of animals can be performed. A review was made of various research studies that.. Read More»

Genet. Mol. Res. 3(1):