Results 21 to 30 of about 1,062,757 (298)

Facultative paedomorphosis as a mechanism promoting intraspecific niche differentiation [PDF]

, 2017
peer reviewedOrganisms with complex life cycles are characterized by a metamorphosis that allows for a major habitat shift and the exploitation of alternative resources.
Denoël, Mathieu, Lepoint, Gilles, Lejeune, Benjamin, Nicolas Sturaro, Benjamin Lejeune, Gilles Lepoint, Sturaro, Nicolas, Mathieu Denoël   +7 more
core   +1 more source

Spatiotemporal Niche Differentiation of Ungulates in the Southwest Mountains, China. [PDF]

Animals (Basel)
Spatiotemporal niche differentiation plays a critical role in facilitating mutual adaptation and sustaining coexistence among sympatric species. We investigated these patterns in sympatric ungulates through an infrared camera trap survey conducted in the Kazila Mountain region of southwestern China from July 2023 to May 2025.
Jiang Q, Xiao H, Zhou H, Li Y, Fu J, Meshach A, Li Q, Kang L, Yan L, Shu Y, Zhang J, Zhang Z, Hong M, Xie J.   +13 more
europepmc   +4 more sources

Determining trophic niche width: a novel approach using stable isotope analysis [PDF]

, 2004
1. Although conceptually robust, it has proven difficult to find practical measures of niche width that are simple to obtain, yet provide an adequate descriptor of the ecological position of the population examined. 2.
Bearhop, S., Bearhop, Stuart, Fuller, R.A., Waldron, S., Adams, C.E., Macleod, H., Fuller, Richard A., Adams, Colin E., Waldron, Susan   +8 more
core   +1 more source

EGFR Signaling Termination via Numb Trafficking in Ependymal Progenitors Controls Postnatal Neurogenic Niche Differentiation

Cell Reports, 2019
Summary: Specialized microenvironments, called niches, control adult stem cell proliferation and differentiation. The brain lateral ventricular (LV) neurogenic niche is generated from distinct postnatal radial glial progenitors (pRGPs), giving rise to ...
Khadar Abdi, Gabriel Neves, Joon Pyun, Emre Kiziltug, Angelica Ahrens, Chay T. Kuo   +5 more
doaj   +1 more source

Decomposing the Causes for Niche Differentiation Between Species Using Hypervolumes

Frontiers in Ecology and Evolution, 2020
Hutchinson’s n-dimensional hypervolume concept holds a central role across different fields of ecology and evolution. The question of the amount of hypervolume overlap and differentiation between species is of great interest to understand the processes ...
José Carlos Carvalho, José Carlos Carvalho, José Carlos Carvalho, Pedro Cardoso, Pedro Cardoso   +4 more
doaj   +1 more source

Hypoxic Culture Conditions as a Solution for Mesenchymal Stem Cell Based Regenerative Therapy [PDF]

, 2014
Cell-based regenerative therapies, based on in vitro propagation of stem cells, offer tremendous hope to many individuals suffering from degenerative diseases that were previously deemed untreatable.
Haque, N., Rahman, M. T., Alabsi, A. M., Abu Kasim, N. H.   +3 more
core   +1 more source

Transposon Dysregulation Modulates dWnt4 Signaling to Control Germline Stem Cell Differentiation in Drosophila. [PDF]

PLoS Genetics, 2016
Germline stem cell (GSC) self-renewal and differentiation are required for the sustained production of gametes. GSC differentiation in Drosophila oogenesis requires expression of the histone methyltransferase dSETDB1 by the somatic niche, however its ...
Maitreyi Upadhyay, Yesenia Martino Cortez, SiuWah Wong-Deyrup, Leticia Tavares, Sean Schowalter, Pooja Flora, Corinne Hill, Mohamad Ali Nasrallah, Sridar Chittur, Prashanth Rangan   +9 more
doaj   +1 more source

Niche differentiation among comammox (Nitrospira inopinata) and other metabolically distinct nitrifiers

Frontiers in Microbiology, 2022
Due to global change, increasing nutrient input to ecosystems dramatically affects the nitrogen cycle, especially the nitrification process. Nitrifiers including ammonia-oxidizing archaea (AOAs), ammonia-oxidizing bacteria (AOBs), nitrite-oxidizing ...
Xueqin Yang, Xiaoli Yu, Qiang He, Ting Deng, Xiaotong Guan, Yingli Lian, Kui Xu, Longfei Shu, Cheng Wang, Qingyun Yan, Yuchun Yang, Bo Wu, Zhili He, Zhili He   +13 more
doaj   +1 more source

The niche construction perspective : a critical appraisal [PDF]

, 2014
For financial support, the authors thank Biotechnology and Biological Sciences Research Council, The Economic and Social Research Council, The Natural Environment Research Council, the Leverhulme Trust, the European Research Council, and the Royal ...
Laland, Kevin N., Scott-Phillips, Thomas C., Dickins, T.E., Shuker, D.M., West, S.A., Dickins, Thomas E., West, Stuart A., Scott-Phillips, T.C., Laland, K.N., Shuker, David M., Shuker, D., West, S., Dickins, T., Laland, K., Scott-Phillips, T.   +14 more
core   +1 more source

Runx2+ Niche Cells Maintain Incisor Mesenchymal Tissue Homeostasis through IGF Signaling

Cell Reports, 2020
Summary: Stem cell niches provide a microenvironment to support the self-renewal and multi-lineage differentiation of stem cells. Cell-cell interactions within the niche are essential for maintaining tissue homeostasis.
Shuo Chen, Junjun Jing, Yuan Yuan, Jifan Feng, Xia Han, Quan Wen, Thach-Vu Ho, Chelsea Lee, Yang Chai   +8 more
doaj   +1 more source