نتایج جستجو برای: anhydrobiosis

تعداد نتایج: 129  

Journal: :The Journal of general and applied microbiology 2012
Kei Matsui Ehsan Nazifi Yosuke Hirai Naoki Wada Seiichi Matsugo Toshio Sakamoto

Scytonemin is a 544-Da hydrophobic pigment that can absorb UV-A radiation. It is present in cyanobacterial sheaths and is thought to function as a UV protectant. In this study, scytonemin was purified from the terrestrial cyanobacterium Nostoc commune, and its radical-scavenging activity was characterized. The purified scytonemin quenched an organic radical in vitro and accounted for up to 10% ...

2016
Kazuharu Arakawa Yuki Yoshida Masaru Tomita

Tardigrades are ubiquitous microscopic animals that play an important role in the study of metazoan phylogeny. Most terrestrial tardigrades can withstand extreme environments by entering an ametabolic desiccated state termed anhydrobiosis. Due to their small size and the non-axenic nature of laboratory cultures, molecular studies of tardigrades are prone to contamination. To minimize the possib...

Journal: :The Journal of experimental biology 2005
Adam J Shannon John A Browne Jacqueline Boyd David A Fitzpatrick Ann M Burnell

Members of the genus Panagrolaimus are bacterial-feeding nematodes that occupy a diversity of niches ranging from Antarctic and temperate soils to terrestrial mosses. Some members of this genus are able to survive extreme desiccation by entering into a state of suspended animation known as anhydrobiosis. We have assembled a collection of Panagrolaimus species and strains and have investigated t...

Journal: :Integrative and comparative biology 2005
Kshamata Goyal Laura J Walton John A Browne Ann M Burnell Alan Tunnacliffe

Studies in anhydrobiotic plants have defined many genes which are upregulated during desiccation, but comparable studies in invertebrates are at an early stage. To develop a better understanding of invertebrate anhydrobiosis, we have begun to characterise dehydration-inducible genes and their proteins in anhydrobiotic nematodes and bdelloid rotifers; this review emphasises recent findings with ...

Journal: :Biochimie 2005
K Goyal J A Browne A M Burnell A Tunnacliffe

Accumulation of the non-reducing disaccharide trehalose is associated with desiccation tolerance during anhydrobiosis in a number of invertebrates, but there is little information on trehalose biosynthetic genes in these organisms. We have identified two trehalose-6-phosphate synthase (tps) genes in the anhydrobiotic nematode Aphelenchus avenae and determined full length cDNA sequences for both...

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