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SIZING UP CELLS: STUDY FINDS POSSIBLE REGULATOR OF GROWTH（图）
POSSIBLE REGULATOR GROWTH
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2015/3/18
Modern biology has attained deep knowledge of how cells work, but the mechanisms by which cellular structures assemble and grow to the right size largely remain a mystery. Now, Princeton University re...
Ethylene is involved in nitrate-dependent root growth and branching in Arabidopsis thaliana
Arabidopsis thaliana ethylene production lateral root development nitrate concentration nitrate transporters
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2015/2/5
Here, we investigated the role of ethylene in high nitrate-induced change in root development in Arabidopsis thaliana using wild types and mutants defective in ethylene signaling (etr1, ein2) and nitr...
Growth Kinetics and Constraints Related to Metabolic Diversity and Abundances of Hyperthermophiles in Deep-Sea Hydrothermal Vents
Archaea Biogeography Growth Kinetics Hyperthermophiles Iron Reduction Methanogenesis
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2015/1/28
This dissertation research aims to show that there are deterministic microbial distribution patterns based on quantifiable environmental thresholds by determining and rationalizing the relative abunda...
SCIENTISTS IDENTIFY FIRST NUTRIENT SENSOR IN KEY GROWTH-REGULATING METABOLIC PATHWAY（图）
SCIENTISTS FIRST NUTRIENT SENSOR GROWTH-REGULATING METABOLIC
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2015/1/20
CAMBRIDGE, Mass.– Known as much for its complexity as its vital role in regulating cellular and organismal growth, the mechanistic target of rapamycin complex 1 (mTORC1) pathway has seemingly been act...
Temperature Effects on Growth and Stress Physiology of Brook Trout: Implications for Climate Change Impacts on an Iconic Cold-Water Fish
growth stress heat shock protein cortisol
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2015/1/4
Despite the threat of climate change, the physiological mechanisms by which temperature drives the distribution of species are unclear. Here we used chronic temperature exposures to determine that the...
The Effects of Environmental Temperature on Locomotor Performance and Growth Patterns in Spotted Salamander, Ambystoma Maculatum
locomotor performance Environmental Temperature
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2015/1/4
THE EFFECTS OF ENVIRONMENTAL TEMPERATURE ON LOCOMOTOR PERFORMANCE AND GROWTH PATTERNS IN SPOTTED SALAMANDER, AMBYSTOMA MACULATUM SEPTEMBER 2010 SUELLEN ALMEIDA, B.A., UNIVERSITY OF MASSACHUSETTS AMEHR...
Invertebrate Phenology and Prey Selection of Three Sympatric Species of Salmonids; Implications for Individual Fish Growth
Invertebrate Phenology Prey Selection Three Sympatric Species Salmonids Individual Fish Growth
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2014/12/12
Growth plays an important roll in the survival of individual salmonid fish. Diet inevitably plays a significant role in the determination of salmonid growth, with these diets consisting primarily of a...
Modulation of epidermal growth factor receptor function by mutations within the actin -binding domain
Genes actin internalization growth factors tyrosine phenylalanine glutamic acid phenylalanine residues
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2014/12/11
The generation of site-directed mutants within the actin binding domain of the EGF receptor modulates receptor function in internalization and ligand binding. In addition, truncation of the EGFr at re...
Analysis of the interaction between the epidermal growth factor receptor and actin
Epidermal growth factor protein amino acids growth factors actin cell free system cytosol cells actin immune
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2014/12/11
It has been shown that the epidermal growth factor receptor (EGFR) can directly interact with F-actin via an actin-binding domain (ABD) located at amino acid residues 984–996. In this study, we invest...
Estrogen and progesterone regulate p53 activity in the mouse mammary epithelium through transforming growth factor beta dependent pathways
P53 protein and tumor formation mammary gland p53 fertility estrogen and progesterone p53 radiation cells DNA damage
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2014/12/11
Proper regulation of the p53 protein plays a critical role in suppressing tumor formation in a variety of tissues including the mammary gland. Activity of the p53 pathway is diminished in the mammary ...
Hormones, growth factors, and the regulation of tumor suppressor pathways involved in parity -induced protection of breast cancer
Women with breast cancer cases diagnosis and reproduction exogenous hormones ionizing radiation genetic factors
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2014/12/11
Despite current advances in understanding breast cancer, in 2007 an estimated 178,480 new cases were diagnosed in female patients in the United States, and an estimated 40,640 deaths will occur due to...
A Mathematical Growth Model of the Viral Population in Early HIV-1 Infections
HIV infection population genetics Viral dynamics
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2014/12/8
In this thesis we develop a mathematical model to describe HIV-1 evolution during the first stages of infection (approximately within 40-60 days since onset), when one can assume exponential growth an...
'Sticky' ends start synthetic collagen growth（图）
collagen growth Sticky
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2014/12/1
HOUSTON – (Oct. 27, 2014) – Rice University researchers have delivered a scientific one-two punch with a pair of papers that detail how synthetic collagen fibers self-assemble via their sticky ends.
中国医科大学生物化学七年制英文版课件Chapter20 oncogene, anti-oncogene and growth factor
中国医科大学 生物化学 七年制 英文版 课件 Chapter20 oncogene anti-oncogene growth factor
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2014/9/15
中国医科大学生物化学七年制英文版课件Chapter20 oncogene, anti-oncogene and growth factor。
'Just right' plant growth may make river deltas resilient（图）
Plant growth deltas resilient
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2014/9/1
BLOOMINGTON, Ind. -- Research by Indiana University geologists suggests that an intermediate amount of vegetation -- not too little and not too much -- is most effective at stabilizing freshwater rive...