Unicellular associative conditioning: an interspecies analysis
It is concluded that cellular associative conditioning might be a widespread characteristic of unicellular organisms and could be essential to understand some key evolutionary principles involved in increasing the cellular adaptive fitness to microenvironments.
The Timing and Characterization of Maternal to Zygote Transition and Mid-Blastula Transition in Sterlet Acipenser Ruthenus and A. ruthenus x Acipenser gueldenstaedtii Hybrid
- Environmental Science
This paper presents the results of a two-year study conducted at the South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses and at the Research Institute of Fish Culture and Hydrobiology in Zátiší.
Effects of incubation temperature on the embryonic viability and hatching time in Russian sturgeon (Acipenser gueldenstaedtii)
- BiologyFisheries and Aquatic Sciences
Data from this study suggest that the incubation of Russian sturgeon embryos at 20 °C would be desirable in the hatchery practice with respect to the good hatchability of embryos and the synchronization of hatching events.
Establishing laboratory cultures and performing ecological and evolutionary experiments with the emerging model species Chironomus riparius
- BiologyJournal of Applied Entomology
Experimental methods to first create and sustain long‐term cultures of C. riparius and then use them to perform repeatable and comparable experiments for various research questions are described.
Low-dose action of tryptanthrin and its derivatives against developing embryos of the sea urchin Strongylocentrotus intermedius
- Biology, ChemistryEnvironmental Monitoring and Assessment
Nine tryptanthrin derivatives were synthesized using different methods and showed that compounds 3, 4, 8, and 9 had a stimulatory effect at lower doses, and stimulated the larval stages of development in surviving embryos at concentrations lower than the IC50.
Pond Snail Reproduction as Model in the Environmental Risk Assessment: Reality and Doubts
This chapter is an attempt to show whether Lymnaea reproduction, despite many altering reproductive endpoints, is a suitable model for environmental risk assessment or not.
The yolk syncytial layer of loach, Misgurnus fossilis (Teleostei) during early development
The YSL structure of Misgurnus fossilis (Cobitidae) during its early developmental stages is described, studied using histological methods to contribute to knowledge of teleost developmental diversity and to the biology of temporary structures.
Effect of progesterone and its synthetic analogs on reproduction and embryonic development of a freshwater invertebrate model.
- BiologyAquatic toxicology
Disturbances in the ploidy level in the gynogenetic sterlet Acipenser ruthenus
- BiologyJournal of Applied Genetics
The genetic verification, based on three microsatellite DNA markers, confirmed the only maternal inheritance in the albino progeny, and observation during embryogenesis showed varied stages of eggs development and the asynchronous cell cleavages that may have resulted in the chromosomal disturbances observed in the gynogenetic sterlets here.
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