Results 111 to 120 of about 531,079 (302)

Non-Sationarity in the Consumption-Income Ratio: Further Evidence from Panel and Assymetric Unit Root Tests [PDF]

In this paper we test the stationarity properties of the consumption-income ratio for a sample of 14 European Union countries over the period 1960-1999 utilizing recent advances in panel unit root and asymmetric unit root tests. We find that a failure to
Dimitris Christopoulos, Eftymios Tsionas
core  

From mice to humans—divergent strategies for intestinal homeostasis and regeneration

FEBS Letters, EarlyView.
Recent advances such as organoid genome editing, xenotransplantation, imaging, and whole‐genome sequencing have enabled direct studies of human intestinal stem cells (ISCs). These studies reveal species‐specific features, including slower ISC proliferation, distinct injury responses, slower somatic mutation accumulation in humans, and an inverse ...
Keiko Ishikawa, Shinya Sugimoto, Toshiro Sato   +2 more
wiley   +1 more source

Ethylene regulates auxin-mediated root gravitropic machinery and controls root angle in cereal crops

Root angle is a critical factor in optimizing the acquisition of essential resources from different soil depths. The regulation of root angle relies on the auxin-mediated root gravitropism machinery.
Lale, Aneesh, Song, Xiaoyun, Fusi, Riccardo, Kong, Xiuzhen, Wadey, Samuel, Yu, Suhang, Lombardi, Marco, Huang, Guoqiang, Xiong, Yali, Rao, Jinliang, Bhosale, Rahul   +10 more
core   +1 more source

PARK(ing) time–How park deficiency affects the biological clock in a Drosophila model of Parkinson's disease

FEBS Letters, EarlyView.
Drosophila park mutants serve as a model for Parkinson's disease. We used this strain to investigate the connection between oxidative stress and the circadian clock mechanism. We showed that increased oxidative stress affects the physiology of pacemaker cells, disrupting their daily structural plasticity. Lack of rhythmic signaling from pacemaker cells
Kamila Zientara, Kinga Skoczek, Elzbieta Pyza, Milena Damulewicz   +3 more
wiley   +1 more source

An experimental study on the pullout mechanical property of tortuous roots manufactured from 3D printing

Shuiwen dizhi gongcheng dizhi
Natural roots systems exhibit various tortuous morphologies, which significantly impact the root-soil interaction characteristics. Previous studies often treated root systems as straight, neglecting the deformation characteristics and failure modes of ...
Yu DING, Boshi PENG, Zhenyao XIA, Zhenxian LIU, Chuxin LIU   +4 more
doaj   +1 more source

Structural insights and therapeutic targets in Acinetobacter baumannii capsule biosynthesis

FEBS Letters, EarlyView.
Hypervirulent KL49 A. baumannii's capsular polysaccharide contains the nonulosonic acid 8‐epi‐Leg5,7Ac2, synthesized by epimerization via ElaA, ElaB, and ElaC. Crystal structures of ElaA, ElaB, and ElaC reveal their role in CMP‐Leg5,7Ac2 synthesis and regioselective C8 epimerization.
Woo Cheol Lee, Junho Jeong, Chae Yeong Lee, Hyunjoon Cho, Man Hwan Oh, Je Chul Lee, Jee‐Young Lee, Yangmee Kim   +7 more
wiley   +1 more source

Root mapping of upland rice to access potential root extraction ratio in soil [PDF]

, 2015
A better understanding of the effects of agronomic management on soil resource accessibility is needed to improve upland rice cropping systems. Here we investigated a new indicator: the potential root extraction ratio (PRER) which takes into account the ...
Chopart, Jean-Louis, Dusserre, Julie, Rakotoarivelo, M., Autfray, Patrice   +3 more
core  

The role of miR‐335‐5p in the redifferentiation of BRAF p.V600E thyroid cancers

Molecular Oncology, EarlyView.
The BRAF p.V600E mutation promotes thyroid cancer dedifferentiation and radioiodine resistance. Using a network approach, we identified miR‐335‐5p as a key regulator of BRAF‐mutated thyroid tumors. Restoring miR‐335‐5p increased thyroid‐specific gene expression and iodine uptake in cells and organoids.
Valeria Pecce, Simone Bini, Marialuisa Sponziello, Giorgio Grani, Giulia Fiscon, Paola Paci, Lorenzo Farina, Rosa Falcone, Valentina Maggisano, Sebastiano Filetti, Cosimo Durante, Antonella Verrienti   +11 more
wiley   +1 more source

Tumour–host interactions in Drosophila: mechanisms in the tumour micro‐ and macroenvironment

Molecular Oncology, EarlyView.
This review examines how tumour–host crosstalk takes place at multiple levels of biological organisation, from local cell competition and immune crosstalk to organism‐wide metabolic and physiological collapse. Here, we integrate findings from Drosophila melanogaster studies that reveal conserved mechanisms through which tumours hijack host systems to ...
José Teles‐Reis, Tor Erik Rusten
wiley   +1 more source

Fine root lifespan depending on their diameter and soil depth

, 2015
Introduction Fine root dynamics control plant growth and development and play a major role in the global carbon cycle through the uptake of water and nutrients as well as respiration and decomposition processes.
Dupraz, Christian, Germon, Amandine, Laclau, Jean-Paul, Cardinael, Rémi, Jourdan, Christophe   +4 more
core   +1 more source