نتایج جستجو برای: reestablished species

تعداد نتایج: 548717  

Journal: :Geophysical Research Letters 2022

The Nadir and Occultation for MArs Discovery (NOMAD)/UV-visible (UVIS) spectrometer on the ExoMars Trace Gas Orbiter provided observations of ozone (O3) water vapor in global dust storm 2018. Here we show detail, using advanced data filtering chemical modeling, how Martian O3 middle atmosphere was destroyed during storm. In taken exactly 1 year later when no occurred, normal situation had been ...

2013
Matthew Benjamin Laramie

Determining accurate species distribution is crucial to conservation and management strategies for imperiled species, but challenging for small populations that are approaching extinction or being reestablished. We evaluated the efficacy of environmental DNA (eDNA) analysis for improving detection and thus known distribution of Chinook salmon in the Methow and Okanogan Sub-basins of the Upper-C...

Journal: :Biotemas 2021

Local extinction of native Atlantic Forest flora species occurs mainly due to habitat fragmentation. Reforestation and natural regeneration can mitigate these factors. The present study attempts understand whether floristic composition dispersal processes are being reestablished in an area lowland Forest, eight years after its reforestation. was old pasture set between two urban fragments the c...

2017
João D A Losano Juan Fernando Padín Iago Méndez-López Daniel S R Angrimani Antonio G García Valquiria H Barnabe Marcilio Nichi

Studies have reported the importance of mitochondria in sperm functionality. However, for some species, the glycolytic pathway appears to be as important as oxidative phosphorylation in ATP synthesis and sperm kinetics. These mechanisms have not been fully elucidated for bovine spermatozoa. Therefore, the aim of this study was to evaluate the role of mitochondria and the glycolytic pathway in A...

2012
Jinho Kim Inhae Kim Seong Kyu Han James U. Bowie Sanguk Kim

Gene essentiality changes are crucial for organismal evolution. However, it is unclear how essentiality of orthologs varies across species. We investigated the underlying mechanism of gene essentiality changes between yeast and mouse based on the framework of network evolution and comparative genomic analysis. We found that yeast nonessential genes become essential in mouse when their network c...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1388

based on the latest records of typhlops vermicularis merrem, 1820 from iran, this species is distributed in the northern and southern regions of the country. in this study, new records of typhlops vermicularis are presented and it is shown that distribution range of this species is extended towards the eastern and western iran, and according to the new distribution map, it can be assumed that t...

Journal: :JCI insight 2021

Limited experimental evidence bridges nutrition and cancer immunosurveillance. Here, we show that ketogenic diet (KD) - or its principal ketone body, 3-hydroxybutyrate (3HB), most specifically in intermittent scheduling induced T cell-dependent tumor growth retardation of aggressive models. In conditions which anti-PD-1 alone combination with anti-CTLA-4 failed to reduce mice receiving a standa...

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