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PhD position in "Evolution of sex chromosomes in squamate reptiles"

The aim of the project is to examine the evolution of sex chromosomes and their homology based on gene content in selected lineages of squamate reptiles (eg. lizards and snakes). Squamate reptiles possess lineages with either XX/XY, ZZ/ZW or temperature-dependent sex determination. Suitable candidates will be interviewed until March 31th.

Published Jan 03, 2017

New Book: Alchemy and Rudolf II, Ivo Purš, Vladimír Karpenko (eds.)

The book Alchemy and Rudolf II provide a superb conspectus of the state of scholarship in its given field. It is the fruit of an international collaboration and at least half of the text has been written by the two editors, Ivo Purš and Vladimír Karpenko. The book is now available in English version.

Published Dec 07, 2016

Dr. Jiri Reif of Institute of Environmental Science was awarded by Marcin Antczak Award

Marcin Antczak Award is a prize for most inspiring ornithological paper of the last year. The candidate can be an amateur or professional scientist up to 37 years old who originates from Poland, the Czech Republic or Slovakia; or can be from any other country if the research upon which the paper is based was carried out in any of the aforementioned countries. The 2015 prize goes to dr. Jiri Reif.

Published Oct 11, 2016

Popular Science: A green parasite of two faces

The parasitic green alga Phyllosiphon infecting leaves of Araceae was described already in the 19th century and now, more than hundred years later, we seem finally begin to uncover the real diversity and a hint of life strategies of this genus. This is thanks to the work of Kateřina Procházková and her colleagues from the Department of Botany of the Faculty of Natural Sciences at the Charles University.

Published Jan 17, 2017

Popular Science: Evolution of endosymbiosis in action

Endosymbiosis is a relationship between two organisms, one of whom lives in a body of the other. Commonly known examples are protozoans and bacteria in the stomach of ruminants, helping them digest cellulose, or bacteria in roots of Fabaceae (such as beans or peas), helping them fix nitrogen. Endosymbiosis is also common between unicellular organisms: in such case, one cell lives in another cell of different species. One of the most important endosymbioses took place in ancient past and as a result, almost all eukaryote cells have mitochondria (“energetic factories of the cell”) and further more green organisms have chloroplasts, intercepting energy of the light and transforming it to the type of energy suitable an organism. A completely new example of endosymbiosis was found by a team of researchers from Universities of Ostrava, České Budějovice, California and Charles University. Faculty of Science of Charles University was represented by doc. RNDr. Jan Votýpka, Ph.D.

Published Jan 17, 2017

Popular Science: Ageing is more pronounced in male face than in women

Ageing or senescence is a natural part of our lives, even though we often try to hide it. First senescence changes start to manifest on the human face as early as at the age of twenty. Knowledge of the facial ageing process can be crucial for face appearance predictions for long-term missing persons.

Published Jan 09, 2017

Popular Science: Does our immune system have the ability to fight off obesity?

Human adenoviruses are common pathogens that cause mild gastrointestinal, ocular or respiratory symptoms. Infections are commonly observed in young children. One virus from this group, Adenovirus 36, is associated with obesity and antibodies against it are more prevalent in overweight and obese individuals than in normal-weight individuals.

Published Jan 09, 2017

Popular Science: Do you want to be more attractive to delicate female noses? Take a dose of garlic!

Garlic is one of the favourite ingredients in within Euro-Asian cuisines, giving food a special pungent, spicy flavor and a bit of sweetness. It is a product also well-recognized for its medical purposes, and already Ancient Egyptians used garlic and onion regularly to promote good health. However, all the goodness brought to a human comes to the death point we try a kiss after a meal full of this ingredient. The garlic breath coming out of the mouth can be unbearable. But what about the regular body odour, mostly of the axillary origin? Every single one of us has some, and it can be perceived by the others either pleasantly or unpleasantly, depending also on person’s diet.

Published Jan 05, 2017

Popular Science: Even partial river restoration can help

Now and in the past, humans mainly try to control river bodies by straightening and fortifying river channels. River network modifications can result in negative impacts, such as extreme floods or droughts, because the water is quickly drained from the basin and not retained in the landscape. There is a degradation of water quality and physical river habitat quality. Milada Matoušková and Kateřina Kujanová from the Department of Physical Geography and Geoecology are concerned about the state of the rivers.

Published Jan 05, 2017

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