Laura Rebeca Jimenez-Gutierrez

Laura Rebeca Jimenez-Gutierrez
Autonomous University of Sinaloa · Facultad de Ciencias del Mar

PhD

About

19
Publications
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118
Citations

Publications

Publications (19)
Article
Full-text available
Shrimp fisheries and culture are important food sources worldwide. Central East Pacific fisheries are mainly supported by four species: Penaeus brevirostris, P. californiensis, P. stylirostris and P. vannamei. However, the same shrimp fishery practices, management strategies and closures are applied to these four species despite their differences i...
Article
Full-text available
In the year 2002, DNA loss model (DNA-LM) postulated that neuropeptide genes to emerged through codons loss via the repair of damaged DNA from ancestral gene namely Neuropeptide Precursor Predictive ( NPP ), which organization correspond two or more neuropeptides precursors evolutive related. The DNA-LM was elaborated according to amino acids homol...
Article
Full-text available
The survival of a species largely depends on the ability of individuals to reproduce, thus perpetuating their life history. The advent of metazoans (i.e., pluricellular animals) brought about the evolution of specialized tissues and organs, which in turn led to the development of complex protein regulatory pathways. This study sought to elucidate t...
Article
Full-text available
Protein hydrolysates from fishery byproducts have resulted to be nutraceutical ingredients with potential to be applied in human nutrition; however, critical quality attributes are dependent on some process parameters such as enzyme source and degree of hydrolysis. This study analyzed the biochemical properties and in vitro antioxidant activity (us...
Article
Full-text available
Conforme se descubren nuevas especies, la humanidad toma conciencia de la riqueza y diversidad de la vida en la naturaleza. Particularmente en los ecosistemas marinos, nos damos cuenta que desconocemos todos los beneficios ecológicos y económicos que brinda el fitoplancton. En este documento mostraremos las extraordinarias formas de vida de los din...
Preprint
Full-text available
Protein hydrolysates from fishery by-products, have resulted to be nutraceutical ingredients with potential to be applied in human nutrition; however, critical quality attributes are dependent of some process parameters such as enzyme source and degree of hydrolysis. This study reports the biochemical properties and antioxidant activity of protein...
Article
Full-text available
Shrimp fisheries are among the most important fisheries worldwide, and shrimp culture has increased considerably in recent years. Most current studies on reproduction-related genes have been conducted on cultured shrimp. However, gene expression is intimately linked to physiological and environmental conditions, and therefore an organism’s growth e...
Article
Full-text available
Crustacean vitellogenesis is a process that involves Vitellin, produced via endoproteolysis of its precursor, which is designated as Vitellogenin (Vtg). The Vtg gene, mRNA and protein regulation involve several environmental factors and physiological processes, including gonadal maturation and moult stages, among others. Once the Vtg gene, mRNAs an...
Poster
Full-text available
This work was presented at the Industrial University of Santander as part of the IV Seminar on Biodiversity and Conservation of Endangered Species held in the city of Bucaramanga, Santander, Colombia. Here we show how the duplication of genes and the DNA loss model are evolutionary processes that gave rise to LWamide, APGWamide, Red Pigment Concent...
Article
Full-text available
The shrimp fishery is one of the most important fisheries in the world, although the low selectivity from trawling nets has led to the capture of a large number of non-target species. Shrimp-bycatch species include a large number of fish and invertebrate species, of which fish species are the most abundant. The present study aims to determine the c...
Preprint
Full-text available
Shrimp fishery is one of the most important fisheries of the world. However, the low selectivity from trawl nets leads the capture of a large number of non-target species. Shrimp bycatch include a large number of fish and invertebrate species; of which fish species are the most abundant. The present study aims to determine the community structure a...
Preprint
Full-text available
Shrimp fishery is one of the most important fisheries of the world. However, the low selectivity from trawl nets leads the capture of a large number of non-target species. Shrimp bycatch include a large number of fish and invertebrate species; of which fish species are the most abundant. The present study aims to determine the community structure a...
Article
Full-text available
Variations in progesterone (P4) and testosterone (T) levels in the gonad of Octopus maya from Sisal in Yucatan State, Mexico, were investigated by radioimmunoassays and in relation to four gonad maturation stages (GMS) and to the reproductive cycle, as represented by two maturity indices (microscopic ‘MiMI’ and macroscopic ‘MaMI’). According to the...
Article
Full-text available
Cytochrome c oxidase (COX), which is located in the inner membrane of mitochondria, is a key constituent of the electron transport chain that catalyzes the reduction of oxygen. The Pacific whiteleg shrimp Litopenaeus vannamei is constantly exposed to hypoxic conditions, which affects both the central metabolism and the mitochondrial function. The p...
Article
Full-text available
The discovery of DNA’s structure has allowed the development of molecular techniques for its manipulation. With these advances it is possible to synthesize proteins in organisms that are not found naturally (called protein hete- rologous over expression). A protein produced in this way is known as recombinant proteins (PR), since it is the product...
Article
The mitochondrial cytochrome c oxidase (COX) catalyzes the reduction of oxygen to water playing a key role in the respiratory chain and ATP synthesis. The nucleus-encoded COX subunits do not participate in catalysis, but some are known to play a role in the expression, assembly and activity of the enzyme. Since hypoxia continuously affects the shri...
Article
Full-text available
Se evaluo el crecimiento de Thalassiosira pseudonana en un sistema estatico en salinidades de 15, 25 y 35 unidades practicas de salinidad (psu), a iluminacion continua y con fotoperiodo 12 h luz:12 h oscuridad. Los bioensayos se realizaron en matraces de 250 mL por cuadriplicado bajo condiciones controladas de laboratorio, utilizando el medio de cu...

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