Results 51 to 60 of about 5,912 (186)

Purificação e caracterização da quitinase de uva (Vitis vinífera L. cv Red Globe) para a produção de quitosana a partir de quitina de camarão

open access: yesQuímica Nova, 2010
Chitinase is produced by a wide variety of plants as a defense against peste attacks. In this study, grape chitinases were purified 16 times by fractionation in 80% ammonium sulfate followed by dialysis and filtration.
Laidson Paes Gomes   +6 more
doaj   +1 more source

Transcriptomic and proteomic signatures underlying nymphal adaptation and foam production in the forage pest Mahanarva spectabilis

open access: yesInsect Molecular Biology, EarlyView.
RNA‐seq and Batelli gland proteomics of fifth‐instar Mahanarva spectabilis nymphs reveal transcripts and proteins associated with xylem feeding, foam production and environmental interaction. Functional annotation identified genes involved in osmoregulation, detoxification, chemosensation and stress responses, while proteomic analysis confirmed ...
Monique da Silva Bonjour   +8 more
wiley   +1 more source

Insights Into the Role of Lysine Acetylation of Non‐Histone Proteins in Plant Immunity

open access: yesPlant, Cell &Environment, EarlyView.
ABSTRACT Plant immunity is regulated by numerous transcriptional and posttranslational mechanisms. Among these, lysine acetylation, which is controlled by lysine acetyltransferases (KATs) and lysine deacetylases (KDACs), has been extensively studied, particularly in the context of epigenetic regulation through histone acetylation.
Jérémy Villette   +5 more
wiley   +1 more source

Structure-based analysis of domain function of chitin oligosaccharide deacetylase from Vibrio parahaemolyticus [PDF]

open access: yes, 2015
The X-ray crystal structure of chitin oligosaccharide deacetylase from Vibrio parahaemolyticus (Vp-COD) was determined at an 1.35Å resolution. The amino acid sequence and structure of Vp-COD show that the enzyme comprises one polysaccharide deacetylase ...
Sakaki, Yuta   +11 more
core   +1 more source

Caenorhabditis elegans and Drosophila melanogaster as Model Organisms in Biofactor Research

open access: yesBioFactors, Volume 52, Issue 4, July/August 2026.
This review presents Caenorhabditis elegans and Drosophila melanogaster as powerful and ethically sound invertebrate model organisms that can be used to investigate nutritional science questions relating to biofactors. Such nutritional phenotyping studies can bridge the gap between in vitro studies and in vivo research in mammals.
Kai Lüersen   +2 more
wiley   +1 more source

Perspectives of Chitin Deacetylase Research

open access: yes, 2011
Chitin and chitosan are copolymers of N-acetyl-D-glucosamine (GlcNAc) and D-glucosamine (GlcN) units linked with β-(1-4) glycosidic bond, where the predominant units are GlcNAc for chitin or GlcN for chitosan in their polymeric chains (Fig. 1).
Yong Zhao   +4 more
openaire   +2 more sources

Addition of abscisic acid increases the production of chitin deacetylase by Colletotrichum gloeosporioides in submerged culture [PDF]

open access: yes, 2016
International audienceThe activity of chitin deacetylase from Colletotrichum gloeosporioides was studied by the addition of phytohormones (gibberellic acid, indole acetic acid, and abscisic acid) and amino sugars (glucosamine and N-acetyl glucosamine) in
Trombotto, Stéphane   +5 more
core   +1 more source

The Chitin Connection

open access: yesmBio, 2012
Chitin, a polymer of N-acetylglucosamine, is an essential component of the fungal cell wall. Chitosan, a deacetylated form of chitin, is also important in maintaining cell wall integrity and is essential for Cryptococcus neoformans virulence.
David L. Goldman, Alfin G. Vicencio
doaj   +1 more source

RNA interference in crop protection: opportunities and challenges during the transition to commercialization

open access: yesPest Management Science, Volume 82, Issue 7, Page 5971-5986, July 2026.
RNA interference (RNAi) technologies, host‐induced gene silencing (HIGS) and spray‐induced gene silencing (SIGS), potentially offer sustainable crop protection. However, efficacy, costs, regulatory clarity, and socio‐environmental impacts require further evaluation for broader use.
Elisabetta Sergi   +12 more
wiley   +1 more source

Green Synthesis of Copper Nanoparticles and their Activity against Aspergillus chitin Deacetylase Gene and Cellulose Dehydrogenase Protein Expression [PDF]

open access: yes, 2023
Fungal infections, such as those caused by Aspergillus, Alternaria, Colletotrichum, Penicillium, and Rhizopus, are considered the major global threat to human life.
Omar Sadik Shalal
core   +2 more sources

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