How worms survive desiccation
نویسندگان
چکیده
While life requires water, many organisms, known as anhydrobiotes, can survive in the absence of water for extended periods of time. Although discovered 300 years ago, we know very little about the fascinating phenomenon of anhydrobiosis. In this paper, we summarize our previous findings on the desiccation tolerance of the Caenorhabditis elegans dauer larva. A special emphasis is given to the role of trehalose in protecting membranes against desiccation. We also propose a simple mechanism for this process.
منابع مشابه
How do terrestrial Antarctic organisms survive in their harsh environment?
Anhydrobiosis, or extreme desiccation tolerance, is one of the strategies that allows terrestrial Antarctic organisms to survive in a harsh environment. A new study in BMC Genomics analyses gene expression in an Antarctic nematode during desiccation, and sheds new light on this phenomenon.
متن کاملTardigrades Use Intrinsically Disordered Proteins to Survive Desiccation.
Tardigrades are microscopic animals that survive a remarkable array of stresses, including desiccation. How tardigrades survive desiccation has remained a mystery for more than 250 years. Trehalose, a disaccharide essential for several organisms to survive drying, is detected at low levels or not at all in some tardigrade species, indicating that tardigrades possess potentially novel mechanisms...
متن کاملVACCINE: War of the Worms in Wired and Wireless Networks
The highlight of worm outbreaks in 2004 was a new phenomenon called ‘War of the Worms’ between NetSky, Bagle and MyDoom worm variants. Their aftermaths caused the record-high of 12 outbreaks in first quarter alone. This war created complex interactions among worms referring to one worm terminating another worm. In this paper, we try to answer the following questions: How much does this scenario...
متن کاملTo Filter, or Not to Filter: That Is the Question
Ballast water treatment technologies must meet stringent performance standards at the point of discharge. Currently, no matter the technology used, a filtration step appears crucial to remove large organisms present in the intake water, to ensure a minimum but still sufficient residual biocide or oxidant concentration, and to decrease the sediment load. Organisms potentially able to survive the...
متن کاملMAPK phosphorylation is implicated in the adaptation to desiccation stress in nematodes.
Some nematodes can survive almost complete desiccation by entering an ametabolic state called anhydrobiosis requiring the accumulation of protective molecules such as trehalose and LEA proteins. However, it is not known how anhydrobiotic organisms sense and regulate the response to water loss. Mitogen-activated protein kinases (MAPKs) are highly conserved signalling proteins that regulate adapt...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره 1 شماره
صفحات -
تاریخ انتشار 2012