Results 71 to 80 of about 49,655 (292)

Mammalian Tolerance to Amino Acid Heterochirality

ChemBioChem, EarlyView.
Organisms preferentially use l‐amino acids (l‐AAs). However, de novo synthesized l‐AAs are in part converted to d‐AAs. The ribosome has a robust system to use l‐AAs for protein synthesis, whereas non‐ribosomal synthesis can also use d‐AAs. Furthermore, some AA residues can be post‐translationally isomerized through enzymatic or spontaneous processes ...
Sakiko Taniguchi, Kenichiro Adachi, Xuan Tran, Masataka Suzuki, Jumpei Sasabe   +4 more
wiley   +1 more source

Extraction and Characterization of Chitosan from Snail Shells (Achatina fulica) [PDF]

Journal of Food Quality and Hazards Control
Background: Chitosan due to biodegradable and non-toxic characteristics has versatile applications. Extraction and characterization of Chitosan from Snail Shells In January, 2023 Achatina fulica was performed.
S. Tertsegha, P.I. Akubor, A.A. Iordekighir, K. Christopher, O.O. Okike   +4 more
doaj  

Changes in energetic metabolism of Biomphalaria glabrata (Mollusca, Planorbidae) in response to exogenous calcium

Brazilian Journal of Biology
Calcium is considered an essential element for the metabolism of aquatic snail Biomphalaria glabrata (Say, 1818), intermediate host of Schistosoma mansoni Sambon, 1907 in Brazil, and represents a limiting factor to its distribution and adaptation to the ...
L. D. Silva, V. C. S. Amaral, M. C. Vinaud, A. M. Castro, H. H. A. Rezende, D. B. Santos, C. C. Mello-Silva, J. C. B. Bezerra   +7 more
doaj   +1 more source

Late Pleistocene to Holocene sedimentation in the Great Blue Hole (Lighthouse Reef, Belize): Results from a 30 m long core

The Depositional Record, EarlyView.
A 30 m long sedimentary succession at the bottom of the Belize Blue Hole represents terrestrial cenote (12.5–7.2 ka BP), restricted marine swamp (7.2–5.7 ka BP) and fully marine lagoonal phases (5.7–0 ka BP) on Lighthouse Reef carbonate platform. Post‐glacial and Holocene sea‐level rise largely controlled the sedimentological, faunal and floral changes
Eberhard Gischler, Dominik Schmitt, Annika Wiegand, Hermann Behling, Lyudmila Shumilovskikh, Martin Melles, Volker Wennrich, Elija Nolte, Jozef Grego, Flavio S. Anselmetti, Hendrik Vogel, Daniel Birgel, Jörn Peckmann   +12 more
wiley   +1 more source

Gastropods potential intermediate hosts of parasites in the region of Lençóis Maranhenses National Park/Brazil, an international tourist destination [PDF]

Brazilian Journal of Biology
Several aquatic ecosystems present favorable conditions for the establishment of freshwater gastropod populations in Maranhão (Brazil). However, research on these snails in this Brazilian state is more focused on Baixada Maranhense, an endemic area for ...
M. C. M. Carvalho, A. S. Abreu, M. S. Silva, S. P. D. Cantanhede, T. G. R. Monroe, L. S. Araújo, L. Tchaicka   +6 more
doaj   +1 more source

Environmental and local habitat variables as predictors of trophic interactions in subtidal rocky reefs along the SE Pacific coast

Ecography, EarlyView.
Temperature generally drives latitudinal patterns in the strength of trophic interactions, including consumption rates. However, local community and other environmental conditions might also affect consumption, disrupting latitudinal gradients, which results in complex large‐scale patterns.
Catalina A. Musrri, Alistair G. B. Poore, Oscar Pino, Nicolás Riquelme, Wolfgang B. Stotz, Fadia Tala, Martin Thiel   +6 more
wiley   +1 more source

Influence of cellulolytic preparation on the productive qualities of snails of the Helix Aspersa Maxima species [PDF]

Технологія виробництва і переробки продуктів тваринництва
Heliciculture is a branch of animal husbandry that deals with cultivation and using edible terrestrial snails for food and cosmetic purposes. This type of animal husbandry has an advantage over others in terms of simplicity of technology, as snails do ...
Glavatchuk V.A., Ogorodnichuk H.M.
doaj   +1 more source

Of all shapes and sizes: a theoretical framework for animal‐mediated terrestrial heterogeneity across scales

Ecography, EarlyView.
Animals redistribute elements throughout their lives by depositing wastes and carcasses. Growing evidence shows that these zoogeochemical processes enhance landscape diversity and heterogeneity worldwide. We provide a descriptive framework for understanding how direct animal depositions (i.e.
Kristy M. Ferraro, Janey R. Lienau
wiley   +1 more source

Characterization of Pressure Pulsation Propagation in a Pump‐Turbine Based on the Same‐Frequency Tracking Method

Energy Science &Engineering, EarlyView.
ABSTRACT Pressure pulsation is a key factor affecting the safe and stable operation of pump‐turbines. This article is based on same frequency‐tracking method on the pressure pulsation propagation characteristics of pump‐turbine during generation mode. The numerical simulation is validated by experimental study on a model pump‐turbine.
Yanpin Li, Pengcheng Hao, Zichao Zhang, Lihong Zhang, Huayang Hai, Hengxiang Zhang, Xikun Wang, Jiarui Wang, Zipu Zhao, Peijie Peng   +9 more
wiley   +1 more source

Application of Bryophytes to Foods, Food Additives and Phytomedicines

Food Chemistry International, EarlyView.
Little attention has been paid to the bryophytes for use in the human diet, despite the presence of 23,000 species worldwide. (Marchantia polymorpha). ABSTRACT Little attention has been paid to the bryophytes for application on the human diet, despite the presence of 23,000 species worldwide.
Yoshinori Asakawa, Jianbo Xiao
wiley   +1 more source