Results 151 to 160 of about 273,435 (319)

PROTECTED AREAS OF THE ARCTIC: Conserving a Full Range of Values [PDF]

, 2002
Arctic protected areas, like all protected areas, hold value for society. Just as there is a wide diversity in protected areas, there is likewise, a wide diversity in the values they protect and represent.
Arctic Council , Conservation of Arctic Flora and Fauna Working Group
core  

Are Large‐Scale Differences in Temperature and Reindeer Management Regime Affecting the Quality of Reindeer's Summer Forage?

Ecology and Evolution
The chemical balance between essential nutrients and defense compounds in plants determines the quality of the forage available to herbivores and can be modified by both environmental conditions and herbivores themselves.
Fanny Berthelot, Audun Stien, Eeva M. Soininen, Torkild Tveraa, Hanna Böhner, Kari Anne Bråthen   +5 more
doaj   +1 more source

Sudden anaerobization in Amphibacillus xylanus increases intracellular labile ferrous iron and inhibits cell growth

FEBS Open Bio, EarlyView.
Abruptly changing from aerobic to anaerobic conditions (sudden anaerobization) induced growth inhibition and a significant increase in intracellular labile ferrous iron in the aerotolerant anaerobe Amphibacillus xylanus. We found that free flavins mediate efficient electron transfer from NADH to ferric iron under anaerobic conditions, suggesting that ...
Shinya Kimata, Yoichi Sakai, Keisuke Tanaka, Etsuro Yoshimura, Ken Kitano, Morio Ishikawa, Tadahiro Nakamoto, Tsutomu Takayama, Hirofumi Inoue, Kaho Nomura, Tomonori Suzuki, Masataka Uchino, Akira Abe, Youichi Niimura   +13 more
wiley   +1 more source

Arctic Connections - Scotland's Arctic Policy Framework [PDF]

, 2019
For centuries, Scotland and the Arctic have enjoyed close links that have had a lasting impact on our cultural, economic and social fabric. While most visible in our northernmost areas, these bonds are evident across the country and lie at the heart of ...

core  

Time‐restricted feeding prior to Mycobacterium tuberculosis infection reduces tissue CD4+ T cells with limited impact on bacterial clearance

FEBS Open Bio, EarlyView.
Time‐restricted feeding (TRF) in mice increased liver fatty acid oxidation and decreased fatty acid biosynthesis. These alterations persisted when TRF was discontinued and the host was infected with Mycobacterium tuberculosis. Pre‐exposure to TRF did not alter tissue (lung and spleen) mycobacterial burden but significantly reduced CD3+ T cells in lungs
Ashish Gupta, Nidhi Yadav, Subhasmita Das, R. Rajendra Kumar Reddy, Nupur Sharma, Amol Ratnakar Suryawanshi, Jaswinder Singh Maras, Ranjan Kumar Nanda   +7 more
wiley   +1 more source

Arctic Gateway Summit, Winnipeg, November 8-10, 2010: Northern Directions [PDF]

, 2010
In partnership with the Government of Manitoba, the University of Winnipeg, hosted the Arctic Gateway Summit – Northern Directions on November 8 - 10, 2010 in Winnipeg.
Arctic Gateway Summit
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Sedimentary DNA from lake depocenters maximizes detection of catchment vegetation

Communications Earth & Environment
Sedimentary DNA is becoming an invaluable tool for biodiversity assessments across spatial and temporal scales. Accurate interpretation, however, requires a clear understanding of its origin and taphonomy, from transport to preservation processes within ...
Tulug Gulce Ataman, Youri Lammers, Inger Greve Alsos, Dilli Prasad Rijal, Antony G. Brown   +4 more
doaj   +1 more source

Hydrostatic pressure activates HIF‐1α via β‐catenin to promote stemness in breast cancer cells

FEBS Open Bio, EarlyView.
To mimic the elevated intestinal fluid pressure in breast cancers, we loaded human breast cancer cells (MCF‐7, MDA‐MB‐453, and BT‐474) to 50 mmHg hydrostatic pressure. Hydrostatic pressure exposure upregulated HIF‐1α and induced stemness in MCF‐7 and BT‐474 cells.
Da Zhai, Yong Xu, Jingjing Ma, Ratchanee Duangrat, Chen Yan, Jingyan Liang, Hua Wei, Bin Jiang, Tao‐Sheng Li   +8 more
wiley   +1 more source

Glaciochemical evidence of spatial and temporal environmental variability across Svalbard [PDF]

, 2012
Huippuvuorten lakijäätiköiltä kairatut jäänäytteet ovat osoittautuneet hyödyllisiksi arkistoiksi, jotka kattavat useita vuosisatoja ja kertovat Barentsin alueen paleoympäristöstä sekä alueen ilmaston kytköksistä Euroopan arktisiin alueisiin.
Beaudon, Emilie
core  

Hyperactive ice‐binding proteins stabilize cell membranes and improve resistance to dehydration stress in Caenorhabditis elegans

FEBS Open Bio, EarlyView.
TisIBP8, a fungal‐derived hyperactive ice‐binding protein, helps Caenorhabditis elegans survive dehydration. It localizes near cell membranes, reduces cell damage, and helps maintain membrane structure during drying. These results suggest that ice‐binding proteins can protect cells from dehydration stress as well as freezing stress.
Daiki Shimose, Kotaro Ozaki, Ryohei Kuriyama, Yuka Ikemoto, Kazuhiro Mio, Yuji C. Sasaki, Tatsuya Arai, Sakae Tsuda, Yoichi Shinkai, Masahiro Kuramochi   +9 more
wiley   +1 more source