The white shrimp Penaeus vannamei during its life cycle are commonly exposed to environmental stressors including hypoxia and reoxygenation that can affect their growth and survival. Hypoxia inducible Factor-1 (HIF-1)...

Peroxiredoxin 6 (Prx6) of Penaeus vannamei and effect of phenanthrene on Prx6 and glutathione peroxidase 4 expression, glutathione-dependent peroxidase activity and lipid peroxidation

Camacho-Jimenez L, Peregrino-Uriarte A, Leyva-Carrillo L, Gomez-Jimenez S, Yepiz-Plascencia G

Comp Biochem Physiol C Toxicol Pharmacol . 2024 Sep; 286:110014. PMID: 39218132

Polycyclic aromatic hydrocarbons (PAHs), such as phenanthrene (PHE), are common pollutants found in coastal areas where shrimp farming is developed. Even though PAHs can have adverse effects on physiology, shrimp...

Naphthalene and phenanthrene affect differentially two glutathione S-transferases (GSTs) expression, GST activity, and glutathione content in white shrimp P. vannamei

Camacho-Jimenez L, Leyva-Carrillo L, Gomez-Jimenez S, Yepiz-Plascencia G

Aquat Toxicol . 2024 Jun; 273:107005. PMID: 38897074

Polycyclic aromatic hydrocarbons (PAHs) are persistent organic pollutants ubiquitous in coastal ecosystems. The white shrimp Penaeus vannamei naturally inhabits in coastal areas and is cultivated in farms located nearby the...

Two hexokinases of the shrimp Penaeus (Litopenaeus) vannamei are differentially expressed during oxygen limited conditions

Flores-Sauceda M, Leyva-Carrillo L, Camacho-Jimenez L, Gomez-Jimenez S, Peregrino-Uriarte A, Yepiz-Plascencia G

Comp Biochem Physiol A Mol Integr Physiol . 2024 Apr; 293:111637. PMID: 38583741

The white shrimp Penaeus (Litopenaeus) vannamei is the most cultivated shrimp worldwide. Compared to other shrimp species, it has higher resistance to adverse conditions. During hypoxia, the shrimp reduces oxygen...

Persistent organic pollutants (POPs) in marine crustaceans: Bioaccumulation, physiological and cellular responses

Camacho-Jimenez L, Gonzalez-Ruiz R, Yepiz-Plascencia G

Mar Environ Res . 2023 Sep; 192:106184. PMID: 37769555

Persistent organic pollutants (POPs) are ubiquitous in marine ecosystems. These compounds can be accumulated in water, sediments and organisms, persist in time, and have toxic effects in human and wildlife....

An efficient triose phosphate synthesis and distribution in wheat provides tolerance to higher field temperatures

Romero-Reyes A, Hernandez-Leon S, Leyva-Carrillo L, Yepiz-Plascencia G, Reynolds M, Paul M, et al.

Biochem J . 2023 Aug; 480(16):1365-1377. PMID: 37589484

High temperatures in the field hinder bread wheat high-yield production, mainly because of the adverse effects of heat over photosynthesis. The Yaqui Valley, the main wheat producer region in Mexico,...

Responses and modulation of the white shrimp Litopenaeus vannamei glutathione peroxidases 2 and 4 during hypoxia, reoxygenation and GPx4 knock-down

Estrada-Cardenas P, Peregrino-Uriarte A, Gomez-Jimenez S, Valenzuela-Soto E, Leyva-Carrillo L, Yepiz-Plascencia G

Biochimie . 2023 Jul; 214(Pt B):157-164. PMID: 37460039

Glutathione peroxidases (GPxs) are important antioxidant enzymes that act at distinct levels of the antioxidant defense. In vertebrates, there are several glutathione peroxidase (GPx) isoforms with different cellular and tissue...

The pyruvate kinase of the whiteleg shrimp Litopenaeus vannamei: Gene structure and responses to short term hypoxia

Cruz-Moreno D, Valenzuela-Soto E, Peregrino-Uriarte A, Leyva-Carrillo L, Sonanez-Organis J, Yepiz-Plascencia G

Comp Biochem Physiol A Mol Integr Physiol . 2023 Jun; 283:111468. PMID: 37355162

The shrimp Litopenaeus vannamei is the main farmed crustacean worldwide. This shrimp suffers environmental changes in oxygen availability that affect its energy metabolism. Pyruvate kinase (PK) catalyzes the last reaction...

Shrimp Glucose-6-phosphatase 2 (G6Pase 2): a second isoform of G6Pase in the Pacific white shrimp and regulation of G6Pase 1 and 2 isoforms via HIF-1 during hypoxia and reoxygenation in juveniles

Hernandez-Aguirre L, Peregrino-Uriarte A, Duarte-Gutierrez J, Leyva-Carrillo L, Ezquerra-Brauer J, Valenzuela-Soto E, et al.

J Bioenerg Biomembr . 2023 Feb; 55(2):137-150. PMID: 36853470

Animals suffer hypoxia when their oxygen consumption is larger than the oxygen available. Hypoxia affects the white shrimp Penaeus (Litopenaeus) vannamei, both in their natural habitat and in cultivation farms....

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The anaplerotic pyruvate carboxylase from white shrimp Litopenaeus vannamei: Gene structure, molecular characterization, protein modelling and expression during hypoxia

Granillo-Luna O, Hernandez-Aguirre L, Peregrino-Uriarte A, Duarte-Gutierrez J, Contreras-Vergara C, Gollas-Galvan T, et al.

Comp Biochem Physiol A Mol Integr Physiol . 2022 Apr; 269:111212. PMID: 35417748

Hypoxic zones are spreading worldwide in marine environments affecting many organisms. Shrimp and other marine crustaceans can withstand environmental hypoxia using several strategies, including the regulation of energy producing metabolic...