نتایج جستجو برای: finned

تعداد نتایج: 1192  

Journal: :Molecular biology and evolution 2007
Yasuyuki Hashiguchi Mutsumi Nishida

The trace amine-associated receptors (TAARs) form a specific family of G protein-coupled receptors in vertebrates. TAARs were initially considered neurotransmitter receptors, but recent study showed that mouse TAARs function as chemosensory receptors in the olfactory epithelium. To clarify the evolutionary dynamics of the TAAR gene family in vertebrates, near-complete repertoires of TAAR genes ...

2017
Naoko Takezaki Hidenori Nishihara

In a previous analysis of the phylogenetic relationships of coelacanths, lungfishes and tetrapods, using cartilaginous fish (CF) as the outgroup, the sister relationship of lungfishes and tetrapods was constructed with high statistical support. However, using as the outgroup ray-finned fish (RF), which are more taxonomically closely related to the three lineages than CF, the sister relationship...

Journal: :The Biochemical journal 2016
Akira Sugimoto Kaori Oka Rui Sato Shinji Adachi Michael E Baker Yoshinao Katsu

The response to a panel of steroids by the mineralocorticoid receptor (MR) from Amur sturgeon and tropical gar, two basal ray-finned fish, expressed in HEK293 cells was investigated. Half-maximal responses (EC50s) for transcriptional activation of sturgeon MR by 11-deoxycorticosterone, corticosterone, 11-deoxycortisol, cortisol and aldosterone, and progesterone (Prog) were between 13 and 150 pM...

Journal: :Physiological genomics 2005
Martin Jastroch Sven Wuertz Werner Kloas Martin Klingenspor

Uncoupling proteins (UCPs) increase proton leakage across the inner mitochondrial membrane. Thereby, UCP1 in brown adipose tissue dissipates proton motive force as heat. This mechanism of nonshivering thermogenesis is considered as a monophyletic trait of endothermic placental mammals that emerged about 140 million years ago and provided a crucial advantage for life in the cold. The paralogues ...

Journal: :Entropy 2016
Ke Yang Di Zhang Yonghui Xie Gongnan Xie

Flow characteristics and heat transfer performances of carboxymethyl cellulose (CMC) aqueous solutions in the microchannels with flow control structures were investigated in this study. The researches were carried out with various flow rates and concentrations of the CMC aqueous solutions. The results reveal that the pin-finned microchannel has the most uniform temperature distribution on the s...

Journal: :Molecular ecology 2017
Amy M Van Cise Karen K Martien Sabre D Mahaffy Robin W Baird Daniel L Webster James H Fowler Erin M Oleson Phillip A Morin

Social structure can have a significant impact on divergence and evolution within species, especially in the marine environment, which has few environmental boundaries to dispersal. On the other hand, genetic structure can affect social structure in many species, through an individual preference towards associating with relatives. One social species, the short-finned pilot whale (Globicephala m...

Journal: :Behavioural processes 2012
Valeria Senigaglia Renaud de Stephanis Phillippe Verborgh David Lusseau

Synchronized swimming in cetaceans has been hypothesized to play a role in affiliative processes as well as anti-predatory responses. We compared observed variation in synchronized swimming at two research sites in relation to disturbance exposure to test these two hypotheses. This study describes and quantifies pair synchronization in long-finned pilot whales at the Strait of Gibraltar, Spain ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2004
Klaas Vandepoele Wouter De Vos John S Taylor Axel Meyer Yves Van de Peer

It has been suggested that fish have more genes than humans. Whether most of these additional genes originated through a complete (fish-specific) genome duplication or through many lineage-specific tandem gene or smaller block duplications and family expansions continues to be debated. We analyzed the complete genome of the pufferfish Takifugu rubripes (Fugu) and compared it with the paranome o...

Journal: :Energies 2023

Due to the use of welded finned tubes in heat exchangers, gas blocks are characterized by very good electric energy production performance, and their reliability can reach 98%. Finned used exchangers usually welded. Such should be characterised following properties: high thermal resistance high-temperature corrosion a flue atmosphere, appropriate joint strength hardness. The most popular techno...

2016
Cristian M. Suárez-Santana Carolina Fernández-Maldonado Josué Díaz-Delgado Manuel Arbelo Alejandro Suárez-Bonnet Antonio Espinosa de los Monteros Nakita Câmara Eva Sierra Antonio Fernández

BACKGROUND Lung cancer is the most commonly diagnosed neoplasm in humans, however this does not apply to other animal species. Living in an aquatic environment the respiratory system of cetaceans had to undergo unique adaptations in order to them to survive and cope with totally different respiratory pathogens and potentially carcinogens from those affecting humans. CASE PRESENTATION This art...

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