Results 121 to 130 of about 13,736 (293)

Metabolic Processes Preserved as Biosignatures in Iron-Oxidizing Microorganisms: Implications for Biosignature Detection on Mars [PDF]

open access: yes
Iron-oxidizing bacteria occupy a distinct environmental niche. These chemolithoautotrophic organisms require very little oxygen (when neutrophilic) or outcompete oxygen for access to Fe(II) (when acidophilic).
Emerson, David   +3 more
core   +1 more source

GO-WORDS: An Entropic Approach to Semantic Decomposition of Gene Ontology Terms [PDF]

open access: yes, 2008
The Gene Ontology (GO) has a large and growing number of terms that constitute its vocabulary. An entropy-based approach is presented to automate the characterization of the compositional semantics of GO terms.
Deendayal Dinakarpandian   +2 more
core   +1 more source

Sepiapterin reductase (Spra and Sprb) regulate carotenoid and pteridine metabolism influencing the koi carp (Cyprinus carpio L.) coloration

open access: yesAquaculture Reports
The evolution of teleost coloration is strongly linked with the fish-specific genome duplication (FSGD). Sepiapterin reductase (Spr) is commonly required in pteridine pigment synthesis and two paralogs are found in teleosts.
X. Tian   +7 more
doaj  

Genome-wide gene expression profile induced by exposure to cadmium acetate in Leishmania infantum promastigotes [PDF]

open access: yes, 2011
Leishmania infantum is the etiological agent of visceral leishmaniasis in Mediterranean areas. The life cycle ofthe protist is dimorphic and heteroxene, as promastigotes develop inside the gut of sand-fly vectors and amastigotes multiply inside mammalian
Ana Alonso   +2 more
core  

Fish and shellfish diseases in culture systems IX Screening of bacteria for identification [PDF]

open access: yes, 1982
Taxonomy is a significant aspect -of study, for a microbiologist, in any application. But, the problems are greater for an aquatic microbiologist as compared to those of a medical microbiologist, because studies have been made in depth in medical ...
Pillai, C Thankappan
core  

In-vitro Site-directed Mutagenesis of Human Dihydropteridine Reductase

open access: yesPteridines, 1996
Armarego Wilfred L. F.   +2 more
doaj   +1 more source

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