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Production of sterile trout (Triploids) by chromosome set manipulation using thermal shock treatment in rainbow trout () from Kashmir Himalayas.
Zygote
December 2024
Division of Aquatic Environmental Management, Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Srinagar, India.
Rainbow trout () is a promising cultivable fish species with significant potential for expansion. As a cold-water fish belonging to the Salmonidae family, it requires an optimal temperature range of 10-15°C for optimal growth. This study explores a method for producing sterile rainbow trout with maximum survival rates by using heat shock treatment to enhance growth characteristics and improve aquaculture practices.
View Article and Find Full Text PDFThe phenotype, sex ratio and gonadal development in triploid hybrids of rainbow trout (Oncorhynchus mykiss) ♀ and brook trout (Salvelinus fontinalis) ♂.
Anim Reprod Sci
January 2025
Department of Marine Biology and Biotechnology, Faculty of Oceanography and Geography, University of Gdansk, M. Piłsudskiego 46 Av, Gdynia 81-378, Poland.
Article Synopsis
- The study analyzed the phenotype, genetic sex ratio, and gonadal development of triploid hybrids from rainbow and brook trout at different life stages (juvenile, sub-adult, adult).
- Genetic analysis confirmed the fish's hybrid status, identifying three phenotypes: trout-like, salmon-like, and an intermediate type, with varying frequencies among the samples.
- Results indicated that salmon-like hybrids are the most commercially valuable due to their unique appearance and sterility or delayed maturation, making them ideal for aquaculture.
Novel scoring system provides high separation of diploidy and triploidy to aid partial hydatidiform mole diagnosis: an adaption of D-DISH for ploidy analysis.
J Clin Pathol
August 2024
Pregnancy Loss Research Group, Department of Obstetrics and Gynaecology, University College Cork, Cork, Ireland.
Aims: Diagnosis of hydatidiform mole or molar pregnancy based on morphology alone can be challenging, particularly in early gestation, necessitating the use of ancillary techniques for accurate diagnosis. We sought to adapt the VENTANA dual-colour dual-hapten in-situ hybridisation (D-DISH) assay by using the internal chromosome 17 enumeration probe to determine ploidy status.
Methods: We selected 25 products of conception, consisting of molar and non-molar cases, to validate the D-DISH assay.
Hydatidiform Mole-Between Chromosomal Abnormality, Uniparental Disomy and Monogenic Variants: A Narrative Review.
Life (Basel)
December 2023
Department of Medical Genetics, Faculty of Medicine, "Grigore T. Popa" University of Medicine and Pharmacy, 700115 Iasi, Romania.
A hydatidiform mole (HM) or molar pregnancy is the most common benign form of gestational trophoblastic disease characterized by a proliferation of the trophoblastic epithelium and villous edema. Hydatidiform moles are classified into two forms: complete and partial hydatidiform moles. These two types of HM present morphologic, histopathologic and cytogenetic differences.
View Article and Find Full Text PDFHydatidiform mole is the most common form of gestational trophoblastic disease. It is an abnormally formed placental tissue with characteristic changes in karyotype, arising in fertilization disorders. The presence of abundant paternal genetic information plays a key role in the pathogenesis of complete and partial hydatidiform moles.
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