نتایج جستجو برای: intactness
تعداد نتایج: 322 فیلتر نتایج به سال:
Conservation efforts should target the few remaining areas of world that represent outstanding examples ecological integrity and aim to restore a much broader area with intact habitat minimal species loss while this is still possible. There have been many assessments “intactness” in recent years but most these use measures anthropogenic impact at site, rather than faunal intactness or integrity...
F1-ATPase (F1) is a multisubunit water-soluble domain of FoF1- ATP synthase and is a rotary enzyme by itself. Earlier genetic studies using yeast suggested that two factors, Atp11p and Atp12p, contribute to F1 assembly. Here, we show that their mammalian counterparts, AF1 and AF2, are essential and sufficient for efficient production of recombinant bovine mitochondrial F1 in Escherichia coli ce...
The ability to escape apoptosis or programmed cell death is a hallmark of human cancers, for example pancreatic cancer. This can promote tumorigenesis, since too little cell death by apoptosis disturbs tissue homeostasis. Additionally, defective apoptosis signaling is the underlying cause of failure to respond to current treatment approaches, since therapy-mediated antitumor activity requires t...
Energy status of the novel alkalitolerant Yarrowia lipolytica yeast strain grown at alkaline conditions (pH 9.7) was examined. Cells grown under such severe conditions were found to preserve high respiratory activity. The oxidative phosphorylation system dominated in the energy budget of the cell. A procedure was specially design to isolate tightly coupled mitochondria from yeast cells grown at...
This article traces the imaginative and linguistic work at play in history of immunity from late nineteenth to early twentieth century France, culminating with Elie Metchnikoff, “father” immunology, his discovery, phagocyte. Metchnikoff founded a new discipline on back this small, ravenous actor, positing “eater cell” as both solution problem worsening body's lack synchronicity itself its surro...
Chloroplasts can be isolated from higher plants directly following homogenization; however, the resulting yield, purity, and intactness are often low, necessitating a large amount of starting material. This protocol is optimized to produce a high yield of pure chloroplasts from isolated Arabidopsis protoplasts. The two-part method is a simple, scaled-down, and low-cost procedure that readily pr...
BACKGROUND Adenomyomatosis of gallbladder is an acquired hyperplastic lesion, characterized by focal or diffuse thickening of the gallbladder with intramural cysts or echogenic areas with comet tail on ultrasonography. But in some cases, especially in the localized fundal type of adenomyomatosis, the intramural anechoic cystic spaces are uncertainty which causes difficult to differential adenom...
The species listed as Extinct in the Wild (EW) IUCN Red List of Threatened Species consist 84 plants and animals that have been lost from their indigenous range. EW are therefore restricted to ex situ conservation facilities often populations founded with few individuals. Our analysis demonstrates 60% associated ecoregions very low proportions intact habitat. Furthermore, threats such invasive ...
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