Zobrazeno 1 - 10
of 184
pro vyhledávání: '"Otomar Linhart"'
Autor:
Nururshopa Eskander Shazada, Songpei Zhang, Mohammad Abdul Momin Siddique, Yu Cheng, Marek Rodina, Sayyed Mohammad Hadi Alavi, Otomar Linhart
Publikováno v:
Aquaculture Reports, Vol 37, Iss , Pp 102216- (2024)
Considering endangered fish, storage of sterlet (Acipenser ruthenus) gamete is crucial, and investigating the most suitable extender for short-term storage of sperm is necessary. Therefore, the present study aimed to optimize suitable extenders for s
Externí odkaz:
https://doaj.org/article/afad8c6b3b2142cbb2a01435ee2cf49b
Autor:
Anatolii Sotnikov, Marek Rodina, David Gela, Sergii Boryshpolets, Vitaliy Kholodnyy, Vojtěch Kašpar, Otomar Linhart, Borys Dzyuba
Publikováno v:
Frontiers in Marine Science, Vol 11 (2024)
IntroductionThe successful cryopreservation of common carp sperm is crucial for its application in aquaculture and selective breeding programs. This study investigates the efficacy of cryopreserving sperm in large containers (5 mL) with a low dilutio
Externí odkaz:
https://doaj.org/article/bb627dccd7894ae88e0d60aa296c0b2d
Autor:
Otomar Linhart, Yu Cheng, Songpei Zhang, Sayyed Mohammad Hadi Alavi, Vladimíra Rodinová, Nururshopa Eskander Shazada, Zuzana Linhartová
Publikováno v:
Aquaculture Reports, Vol 29, Iss , Pp 101507- (2023)
This is the first report showing fertilization of short-term stored eggs (19 °C) with short-term stored diluted sperm (0–2 °C) in common carp (Cyprinus carpio). From 5 males, fresh (control) and 7-day stored sperm were diluted with common carp ex
Externí odkaz:
https://doaj.org/article/1f3056922c474aadaba11f5df21d27c1
Publikováno v:
Aquaculture Reports, Vol 24, Iss , Pp 101160- (2022)
ABSTRACT: The purpose of this study was to investigate the effect of an activation solution (AS) (hatchery water (pH 7.9 and 4 mOsm/kg), Perchec solution (5 mM KCl, 45 mM NaCl, 30 mM Tris-HCl; pH 8.0 and 130 mOsm/kg) and Cheng solution (40 mM NaCl, 2
Externí odkaz:
https://doaj.org/article/0db0a70dd0f240258fb3e72b23b83cdc
Autor:
Otomar Linhart, Yu Cheng, Miaomiao Xin, Marek Rodina, Vladimíra Tučková, William L. Shelton, Vojtěch Kašpar
Publikováno v:
Aquaculture Reports, Vol 17, Iss , Pp 100381- (2020)
This study was conducted to determine the minimum number of spermatozoa and optimal volume of activation water for effective fertilization of sterlet Acipenser ruthenus eggs. It was also to determine the minimum concentration of spermatozoa per ml of
Externí odkaz:
https://doaj.org/article/f0c179c8888b4929b95ebf3149be881d
Autor:
Anna Shaliutina-Kolešová, Nian Rui, Saeed Ashtiani, Marek Rodina, Jacky Cosson, Otomar Linhart
Publikováno v:
Czech Journal of Animal Science, Vol 63, Iss 2, Pp 78-84 (2018)
Assessment of seminal oxidative stress indicators is emerging as a valuable prognostic tool in assisted reproductive technology. We investigated levels of oxidative stress caused by reactive oxygen species (ROS) and the antioxidant enzyme defence sys
Externí odkaz:
https://doaj.org/article/bf587d72ae304c079f502afdc02cd4c1
Autor:
Sayyed Mohammad Hadi Alavi, Sepideh Barzegar-Fallah, Parastoo Rahdar, Mohammad Mahdi Ahmadi, Mina Yavari, Azadeh Hatef, Mahdi Golshan, Otomar Linhart
Publikováno v:
Animals, Vol 11, Iss 10, p 2817 (2021)
Increasing global rates of diminished fertility in males has been suggested to be associated with exposure to environmental contaminants (ECs). The aquatic environments are the final repository of ECs. As the reproductive system is conserved in verte
Externí odkaz:
https://doaj.org/article/a82d80060c09489fb143be983d968cb9
Histone Acetylation Dynamics during In Vivo and In Vitro Oocyte Aging in Common Carp Cyprinus carpio
Autor:
Swapnil Gorakh Waghmare, Azin Mohagheghi Samarin, Azadeh Mohagheghi Samarin, Marianne Danielsen, Hanne Søndergård Møller, Tomáš Policar, Otomar Linhart, Trine Kastrup Dalsgaard
Publikováno v:
International Journal of Molecular Sciences, Vol 22, Iss 11, p 6036 (2021)
Aging is the most critical factor that influences the quality of post-ovulatory oocytes. Age-related molecular pathways remain poorly understood in fish oocytes. In this study, we examined the effect of oocyte aging on specific histone acetylation in
Externí odkaz:
https://doaj.org/article/3788cdf10f7b48189ed286242c6fe301
Autor:
Viktoriya Dzyuba, Jacky Cosson, Maria Papadaki, Constantinos C. Mylonas, Christoph Steinbach, Marek Rodina, Vladimira Tučkova, Otomar Linhart, William L. Shelton, David Gela, Sergii Boryshpolets, Borys Dzyuba
Publikováno v:
Animals, Vol 11, Iss 5, p 1417 (2021)
Sturgeon sperm maturation occurs outside the testes during the transit of testicular spermatozoa (TS) through the kidneys and the Wolffian ducts. A method of in vitro TS maturation in sterlet Acipenser ruthenus was used to investigate the effects of
Externí odkaz:
https://doaj.org/article/b780926a88dc4b24907cdc9ede575af9
Autor:
Yu Cheng, Roman Franěk, Marek Rodina, Miaomiao Xin, Jacky Cosson, Songpei Zhang, Otomar Linhart
Publikováno v:
Animals, Vol 11, Iss 6, p 1558 (2021)
The aim of the present study was to investigate the spontaneous motility of spermatozoa and to optimize sperm collection, short-term sperm storage, and fertilization in zebrafish Danio rerio. The movement of spermatozoon in water was propagated along
Externí odkaz:
https://doaj.org/article/f3e09c7cdecd4380ae146acdc6f1b2a6