Results 61 to 70 of about 3,372 (156)

Microstructure of iridescence-lacking pearl formed in Pinctada fucata

Journal of Crystal Growth, 2016
The iridescence-lacking pearl is regarded as a low-quality product because it shows no iridescent color which is generated by the interference of the light reflected at the organic-inorganic boundaries in the regulated interstratification of organic sheets and thin aragonite tablets. In this study, we investigated the microstructural difference between
Michio Suzuki, Hiroki Mukai, Hideo Aoki, Etsuro Yoshimura, Shohei Sakuda, Hiromichi Nagasawa, Toshihiro Kogure   +6 more
openaire   +2 more sources

Reliable Inference of Phylogenomic Relationship via Assembly‐Based Strategy Accommodating Raw Reads and Proteins

Molecular Ecology Resources, Volume 26, Issue 3, April 2026.
ABSTRACT Phylogenomics is a transformative approach in systematics, conservation biology, and biomedical research, enabling the inference of evolutionary relationships by leveraging hundreds to thousands of genes from genomic or transcriptomic data. However, acquiring high‐quality genomes and transcriptomes necessitates samples with intact DNA and RNA,
Yunlong Li, Xu Liu, Chong Chen, Jian‐Wen Qiu, Kevin M. Kocot, Jin Sun   +5 more
wiley   +1 more source

Dynamic expression of ancient and novel molluscan shell genes during ecological transitions [PDF]

, 2007
Background: The Mollusca constitute one of the most morphologically and ecologically diverse metazoan phyla, occupying a wide range of marine, terrestrial and freshwater habitats.
Wörheide, Gert, Jackson, D. J., Wörheide Gert, Gert Wörheide, Degnan, B. M., Jackson Daniel J, Degnan, Bernard M., Degnan Bernard M, Worheide, G., Bernard M Degnan, Jackson, Daniel J., Daniel J Jackson   +11 more
core   +1 more source

Salinity–temperature interaction drives metabolic and energetic changes in an Arctic crustacean

Ecosphere, Volume 17, Issue 3, March 2026.
Abstract The Arctic is shifting towards a prevalence of warm and more saline Atlantic‐like waters. These changes in the marine environment pose significant challenges for the ecophysiology of marine invertebrates. Here, we measured the metabolic enzyme activity of citrate synthase and lactate dehydrogenase, as well as the energy content and level of ...
Pauline Bourdin, Giovanna Mottola, Ella von Weissenberg, Malin Daase, Jonna Engström‐Öst, Katja Anttila   +5 more
wiley   +1 more source

Genomic Insights Into the Use of Green Tea (Camellia sinensis) as a Functional Feed Additive in Sustainable Aquaculture

Aquaculture, Fish and Fisheries, Volume 6, Issue 1, February 2026.
ABSTRACT Aquaculture is the fastest‐growing sector of animal food production, yet it faces increasing challenges in maintaining fish health and sustainability due to the widespread use of antibiotics and synthetic feed additives. Green tea (Camellia sinensis), a natural source of polyphenols and bioactive compounds, has gained attention as a functional
Nahida Akter, Chiara Bordin, Mahima Ranjan Acharjee, S. M. Sertaz Islam, Md. Masum Reza, Mahedi Hasan, Arman Hossain, Azeez Olalekan Baki, Md. Abdullah Al Mamun Hridoy   +8 more
wiley   +1 more source

On controlled spawning of Indian pearl oyster Pinctada fucata (Gould) [PDF]

, 1982
Induced spawning of pearl oysters serves a dual purpose in pearl culture. Besides providing the gametes for the hatchery production of seed, it conditions the oyster for nucleus insertion for the production of cultured pearls.
Chellam, A, Victor, A C C, Alagarswami, K, Velayudhan, T S, Dharmaraj, S   +4 more
core   +1 more source

Recombinant Proteins: A Molecular Tool to Understand Marine Adhesion and to Advance Biomaterials

Advanced Healthcare Materials, Volume 15, Issue 3, 19 January 2026.
The production of recombinant proteins represents a fundamental step in the characterisation of marine invertebrate adhesives and in the development of bio‐inspired glues. The association of these proteins with other components such as ions, proteins, polysaccharides, or polymers enables the fabrication of biomaterials for various healthcare ...
Alessandra Whaite, Emilie Duthoo, Mathilde Lefevre, Elise Hennebert, Patrick Flammang   +4 more
wiley   +1 more source

Effects of Ammonia Concentration on Sperm Vitality, Motility Rates, and Morphology in Three Marine Bivalve Species: A Comparative Study of the Noble Scallop Mimachlamys nobilis, Chinese Pearl Oyster Pinctada fucata martensii, and Small Rock Oyster Saccostrea mordax

Biology
Ammonium (NH4+) plays a crucial role in the reproductive processes of key biotic groups in aquatic ecosystems—bivalves. This study aims to elucidate the effects of three different ammonium ion concentrations on sperm vitality, swimming kinematics, and ...
Minghao Li, Jiong Wu, Rui Yang, Zhengyi Fu, Gang Yu, Zhenhua Ma   +5 more
doaj   +1 more source

Divergent northern and southern populations and demographic history of the pearl oyster in the western Pacific revealed with genomic SNPs

Evolutionary Applications, 2020
In the open ocean without terrain boundaries, marine invertebrates with pelagic larvae can migrate long distances using ocean currents, suggesting reduced genetic diversification.
Takeshi Takeuchi, Tetsuji Masaoka, Hideo Aoki, Ryo Koyanagi, Manabu Fujie, Noriyuki Satoh   +5 more
doaj   +1 more source

Effects of a Plant Protein‐Based Diet on the Somatic Growth and Transcriptional Response of Oysters

Aquaculture Research, Volume 2026, Issue 1, 2026.
Food scarcity often leads to emaciation in offshore‐farmed oysters, thereby diminishing their marketability. Land‐based intensive fattening is an emerging strategy to improve oyster somatic growth, yet its broad implementation is constrained by the scarcity of effective and stable feed sources.
Yulong Yao, Haoran Liu, Mingkun Liu, Luping Wang, Shentong Wang, Lintao Tan, Chi Yu, Haigang Qi, Li Li, Guofan Zhang   +9 more
wiley   +1 more source