Jakub Žák
@fishjakub.bsky.social
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📥 67
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Fish ecologist; Asistant profesor at Masaryk University, Czechia
What determines mitochondrial number in Ethiopian Rodents from two Mountain regions? Species? Tissue? Elevation?
@botzool.bsky.social
@ivb-cas.bsky.social
doi.org/10.25225/jvb...
1 day ago
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Jakub Žák
George Takei
9 months ago
I fear there is deep truth here.
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An interesting reading. Dietary restriction is intensively using mice as a model. Wheatley et al suggest that mouse physiology may considerably confound the real effects of dietary restriction, meaning that mice may not be the ideal model for studying DR
link.springer.com/article/10.1...
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The cold truth: torpor as a confound in studies of caloric restriction - Journal of Comparative Physiology B
Calorie restriction has been shown to dramatically extend lifespan in a range of species. Beyond longevity, calorie restriction is also reported to improve cognitive function, ameliorate neurodegenera...
https://link.springer.com/article/10.1007/s00360-025-01616-1
about 2 months ago
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We published a visual guide to the repertoire of hepatocyte alterations recognized in Nothobranchius furzeri, a vertebrate model in aging research. Giant mitochondria and intense hepatocellular vacuolation are the most prominent features.
#killifish
4 months ago
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Jakub Žák
Reichard Lab
4 months ago
Interested in Fish Mating Systems? Join us for a small symposium in Brno, Czechia, from 21 to 23 January 2026! The invited speakers are Suzanne Alonzo, John Fitzpatrick, and Suzanna Pla. More information at
fish.ivb.cz
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Zpět z Německa, kde se konala konference o halančíkovi a jeho využití jako modelového organismu. Unikátní možnost podělit se o výsledky studia potravní preference halančíků
4 months ago
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Je chov halančíků standardizován? Jaké jsou mezery? To vše v závěrečném dílu o laboratorních halančících nyní v Živě.
5 months ago
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Od ledna má Ústav botaniky a zoologie MU nového ředitele.
shorturl.at/aa7Ua
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Úspěchy našich kolegyň a kolegů | Přírodovědecká fakulta MUNI
Přírodovědecká fakulta Masarykovy univerzity je jednou z deseti fakult Masarykovy univerzity. Zároveň je též jednou ze čtyř nejstarších fakult, jež vznikly při založení Masarykovy univerzity v roce 19...
https://shorturl.at/aa7Ua
6 months ago
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reposted by
Jakub Žák
Royal Society Publishing
6 months ago
Happy 20th anniversary to
#BiologyLetters
! Take a look at our timeline of key milestones for the journal over the past 20 years.
royalsocietypublishing.org/pb-assets/BL...
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Jakub Žák
Proceedings of the National Academy of Sciences
7 months ago
Larger species have a higher cancer prevalence than smaller species, according to a study that refutes Peto’s Paradox, the claim that that species’ body size is not correlated with cancer risk. In PNAS:
www.pnas.org/doi/10.1073/...
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Aha, tak oni jsou statisicove odmeny nekolikrat do roka asi standard, kdyz jste rektor.
7 months ago
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reposted by
Jakub Žák
FishEvo Zuzana Musilova
8 months ago
Loving deep-sea fish and molecular evolution? We're hiring!:-) Looking for a motivated PhD student to join us to study evolution of vision & to explore limits of vertebrate eye in extreme environment. Deadline 15th March. Thanks for applying and sharing! more info:
www.fishevo.com/erc-funded-p...
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Vedení univerzity je jistě nelehká věc a zaslouží adekvátní ohodnocení. Ale nevím, jak často si “řadový” akademik přijde na odměny v řádu vícenásobků jeho mzdy. Ale je třeba prijem nasobit, když je 175 tis kč/měs?
8 months ago
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