Results 11 to 20 of about 16,799 (303)

Metabolomic analyses reveal the crucial metabolites involved in the transplantation response of pearl oyster Pinctada fucata martensii

open access: yesAquaculture Reports, 2021
The immune response after transplantation during pearl production is a major factor that cause nucleus rejection and death of the host pearl oysters. To find out the crucial metabolites involved in the immune response after transplantation, we performed ...
Jiao Yu   +5 more
doaj   +1 more source

Economic feasibility of small-scale mabé pearl production in Tonga using the winged pearl oyster, Pteria penguin

open access: yesAquaculture Reports, 2020
Mabé pearl culture is an increasingly important rural livelihood in south Pacific countries as it offers a low-cost, low-tech alternative to round pearl culture.
William Johnston   +5 more
doaj   +1 more source

Effects of hypoxic stress on the digestion, energy metabolism, oxidative stress regulation, and immune function of the pearl oyster (Pinctada fucata martensii)

open access: yesAquaculture Reports, 2022
The activity of enzymes involved in digestion, energy metabolism, oxidative stress regulation, and immune function in the pearl oyster (Pinctada fucata martensii) was determined at 0, 0.5, 1, 2, 5, 10, 15, and 25 d following exposure to HG and NG to ...
Jiayi Chen   +7 more
doaj   +1 more source

Sustainability and traceability in marine cultured pearl production [PDF]

open access: yes, 2014
For centuries, wild pearl oysters and mussels were fished in the quest for natural pearls and shell material. This eventually led to the drastic overexploitation of oyster stocks in many areas of the globe.
Cartier, Laurent Emmanuel Henri
core   +1 more source

Polyamine Putrescine Regulates Oxidative Stress and Autophagy of Hemocytes Induced by Lipopolysaccharides in Pearl Oyster Pinctada fucata martensii

open access: yesFrontiers in Physiology, 2021
The polyamine putrescine (Put) is a ubiquitous small cationic amine. It plays an essential role in controlling the innate immune response. However, little is known about its function in mollusks. In this study, the Put content was observed to increase in
Yanfei Cao   +18 more
doaj   +1 more source

Structural, mineralogical, and biochemical diversity in the lower part of the pearl layer of cultivated seawater pearls from Polynesia [PDF]

open access: yes, 2008
A series of Polynesian pearls has been investigated with particular attention to the structural and compositional patterns of the early developmental stages of the pearl layer.
Perez-Huerta, A.   +16 more
core   +1 more source

The Pearl Oyster [PDF]

open access: yes, 2008
Pearls have a very long history of being valued as beautiful gems but differ of course in that they are secreted by living animals. Cultured pearls have been produced for almost a hundred years, but the methods for farming pearl oysters and inducing ...
Lucas, J S   +3 more
core   +1 more source

The Intergenerational Conflict in Lisa See’s Shanghai Girls: Second Generation Experiences

open access: yesNobel: Journal of Literature and Language Teaching, 2022
This study explores the intergeneration conflict and acculturation strategies of the second-generation Chinese American in Lisa See’s Shanghai Girls. The novel depicts Pearl and May’s experiences moving to America due to the Sino-Japanese war in China ...
Maria Niayu Risma Novianti
doaj   +1 more source

Improved ocean-based nursery culture of blacklip pearl oyster (Pinctada margaritifera) juveniles in mesh baskets using cyanoacrylate adhesive

open access: yesAquaculture Reports, 2022
The blacklip pearl oyster, Pinctada margaritifera, supports well-established cultured pearl industries throughout the Pacific with various nursery culture methods used to on-grow juvenile oysters to a size suitable for pearl production. Locally-available
Paul C. Southgate, Thane A. Militz
doaj   +1 more source

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