Stress-driven metabolites of desert soil fungi DOI
Suaad Alwakeel,

Nouf Alothman,

Fuád Ameén

et al.

Biotechnology and Genetic Engineering Reviews, Journal Year: 2023, Volume and Issue: unknown, P. 1 - 14

Published: Feb. 28, 2023

Microorganisms produce secondary metabolites to survive under stressful conditions. The effect of drought and heat stress on fungi isolated from Arabian desert soil during the hot (ca 40°C) cool 10°C) seasons was studied using genome mining approach. presence three stress-related genes (calmodulin, polyketide synthase beta tubulin) analyzed molecularly specific primers. in compared their antimicrobial (ten bacterial or fungal pathogens) anticancer (liver, cervical breast) properties production thermostable enzymes (phytase xylanase). appeared be present sequence obtained summer, while none were winter. Appreciable differences observed enzyme activities, with summer activities high winter low. antagonistic A. niger relatively stable varying, those P. chrysogenum consistently higher than seemed correlate highly chrysogenum, had active isolates without any genes. season deserts yields biological useful biotechnological solutions.

Language: Английский

Palladium-catalyzed Lewis acid-regulated cascade annulation of alkynes with unactivated alkenes to access diverse α-methylene-γ-lactones DOI
Jianxiao Li, Dan He, Bowen Wang

et al.

Organic Chemistry Frontiers, Journal Year: 2022, Volume and Issue: 9(23), P. 6579 - 6585

Published: Jan. 1, 2022

A palladium-catalyzed Lewis acid-regulated cascade annulation of alkynes with unactivated alkenes for the preparation alkyl substituted α-methylene-γ-lactones excellent Z / E selectivities was accomplished.

Language: Английский

Citations

9

The antagonistic activity of Padina arborescens extracts on mPRα DOI
Mrityunjoy Acharjee, Md Hasan Ali, Md. Maisum Sarwar Jyoti

et al.

Natural Product Research, Journal Year: 2022, Volume and Issue: 37(11), P. 1872 - 1876

Published: Sept. 6, 2022

The current study attempted to evaluate the antagonistic activity of compounds isolated and purified from marine algae Padina arborescens during cultivation. were collected on a filter, concentrated ODS columns separated by HPLC. Two peaks that showed competitive progesterone binding with membrane receptor α (mPRα) purified. Their physiological was further uncovered in vitro vivo oocyte maturation ovulation-inducing assays using zebrafish. inhibited induction ovulation. Moreover, results have against mPRα. mPRα would be considered as new pharmaceutical candidate.

Language: Английский

Citations

7

Organobase-catalyzed 1,1-diborylation of terminal alkynes under metal-free conditions DOI Creative Commons
Junchen Li, Min An, Zhenhua Gao

et al.

RSC Advances, Journal Year: 2022, Volume and Issue: 12(26), P. 16530 - 16534

Published: Jan. 1, 2022

An organobase-catalyzed 1,1-diborylation of terminal alkynes from propargylic derivatives with B 2 oct is first reported, providing 1,1-diborylalkene products high efficiency. The catalytic pathway well postulated on the basis DFT calculations.

Language: Английский

Citations

6

Diving into the Molecular Diversity of Aplysina cavernicola’s Exometabolites: Contribution of Bromo-Spiroisoxazoline Alkaloids DOI Creative Commons
Morgane Mauduit, Stéphane Greff, Gaëtan Herbette

et al.

ACS Omega, Journal Year: 2022, Volume and Issue: 7(47), P. 43068 - 43083

Published: Nov. 16, 2022

Sponges are prolific producers of specialized metabolites with unique structural scaffolds. Their chemical diversity has always inspired natural product chemists working in drug discovery. As part their metabolic filter-feeding activities, sponges known to release molecules, possibly including metabolites. These released "Exo-Metabolites" (EMs) may be considered as new reservoirs that could collected from the water column while preserving marine biodiversity. The present work aims determine proportion and EMs by sponge

Language: Английский

Citations

4

Stress-driven metabolites of desert soil fungi DOI
Suaad Alwakeel,

Nouf Alothman,

Fuád Ameén

et al.

Biotechnology and Genetic Engineering Reviews, Journal Year: 2023, Volume and Issue: unknown, P. 1 - 14

Published: Feb. 28, 2023

Microorganisms produce secondary metabolites to survive under stressful conditions. The effect of drought and heat stress on fungi isolated from Arabian desert soil during the hot (ca 40°C) cool 10°C) seasons was studied using genome mining approach. presence three stress-related genes (calmodulin, polyketide synthase beta tubulin) analyzed molecularly specific primers. in compared their antimicrobial (ten bacterial or fungal pathogens) anticancer (liver, cervical breast) properties production thermostable enzymes (phytase xylanase). appeared be present sequence obtained summer, while none were winter. Appreciable differences observed enzyme activities, with summer activities high winter low. antagonistic A. niger relatively stable varying, those P. chrysogenum consistently higher than seemed correlate highly chrysogenum, had active isolates without any genes. season deserts yields biological useful biotechnological solutions.

Language: Английский

Citations

2