Jesica María Ramírez-Villalobos

ORCID: 0000-0002-8595-1459
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About
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Research Areas
  • Fungal Biology and Applications
  • Insect Resistance and Genetics
  • Plant Pathogens and Fungal Diseases
  • Microbial Natural Products and Biosynthesis
  • Insect and Pesticide Research
  • Entomopathogenic Microorganisms in Pest Control
  • Insect Pest Control Strategies
  • Bee Products Chemical Analysis
  • Chemical synthesis and alkaloids
  • Plant-Microbe Interactions and Immunity
  • Plant tissue culture and regeneration
  • Medicinal Plants and Neuroprotection
  • Phytochemical compounds biological activities
  • Phytochemistry and Biological Activities

Universidad Autónoma de Nuevo León
2019-2024

Identification of new sources compounds with anticancer and antioxidant potential is essential for cancer treatment. Rhizospheric bacteria have emerged as a promising source these agents. This study aimed at investigating the properties isolated from rhizosphere Lophocereus marginatus. Six rhizobacteria L. marginatus were molecularly identified by sequencing 16S rRNA gene MALDI-TOF. We evaluated inhibitory activity methanol (MeOH) ethyl acetate (EtOAc) extracts obtained against murine...

10.1155/ijm/1349429 article EN cc-by International Journal of Microbiology 2025-01-01

Plant-associated microorganisms represent a potential source of new antitumor compounds. The aim the present study was to isolate endophytic and rhizosphere Gram-positive bacteria from Ibervillea sonorae produce extracts with activity. Methanol ethyl acetate were obtained 28 d bacterial fermentation, after which murine L5178Y-R lymphoma cells growth inhibition evaluated at concentrations ranging 15.62 µg/mL 500 by 3-[4,5-dimethylthiazol-2-yl]-2,5 diphenyl tetrazolium bromide reduction...

10.3390/ijerph19020894 article EN International Journal of Environmental Research and Public Health 2022-01-14

Endophytic fungi have become potential sources of antitumor agents, particularly against antineoplastic-resistant cancer cells, with marginal or nil adverse effects for the oncological patient. were isolated from stems Lophocereus marginatus cactus, commonly found in Mexico. Methanol extracts then obtained fungus liquid cultures and their on tumor cell growth murine lymphoma (L5178Y-R), human colorectal adenocarcinoma (HT-29), breast (MCF-7) cells evaluated at concentrations ranging 31 µg/mL...

10.3390/ijerph18189917 article EN International Journal of Environmental Research and Public Health 2021-09-21

Culture conditions affect the production of secondary metabolites in endophytic fungi. Therefore, aim present study was to evaluate yield and anticancer antioxidant activity fungi extracts from cactus Lophocereus marginatus, under different culture conditions. The strains Penicillium citrinum, Aspergillus versicolor, Metarhizium anisopliae, Cladosporium sp. were fermented media (potato dextrose agar, Czapeck broth, malt broth), types inoculums (spore or mycelium), shaking (150 rpm static)...

10.3390/ijerph20053948 article EN International Journal of Environmental Research and Public Health 2023-02-23

Cancer belongs to a group of diseases characterized by uncontrolled cell growth. The search for new effective treatments cancer has led the discovery different molecules from plants, bacteria, and fungi with pharmacological use. Plant endophytic are large producers metabolites antitumor properties. We aimed evaluate in vitro vivo potential extracts

10.3390/microorganisms12112310 article EN cc-by Microorganisms 2024-11-13

Abstract Background Bacillus thuringiensis subsp. israelensis ( Bti ) produces insecticidal endotoxins known as Cry and Cyt. Its efficiency specificity make it the most widely used substance a biopesticide for controlling disease from vector insects, such mosquitoes, responsible important human diseases malaria, filariasis, dengue, yellow fevers. To date, is proven difficult to develop commercial product that has more than 2 years of shelf life, there little information on viability these...

10.1186/s41938-021-00381-x article EN cc-by Egyptian Journal of Biological Pest Control 2021-03-03

Abstract Background: Arid zone plants such as cacti are known to harbor diverse groups of endophytic fungi, which represent potential sources new compounds with anticancer properties. In the present study we isolated, identified, and characterized Pachycereus marginatus (DC.) Britton & Ros fungi cytotoxic activity against murine human tumor cell lines. Methods: Endophytic were isolated from P. stems. Methanol extracts then obtained liquid cultures their at concentrations ranging 31 µg/ml...

10.21203/rs.3.rs-426788/v1 preprint EN cc-by Research Square (Research Square) 2021-04-27
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