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Changes in the mutual orientation of tRNA and 23S rRNA at the peptidyl transferase center of the ribosome detected by crosslinking of a photoreactive transition-state analog
Amino acids dynamic interaction ribosomes peptide bonds peptidyl transferase ribosomes
2014/12/11
Dynamic interactions between the amino acid acceptor end of tRNA and the ribosome underlie the synthesis of successive peptide bonds at the peptidyl transferase center (PTC) of the 50S ribosomal subun...
Structural Changes That Drive Timed Promoter Release In Transcription Reciprocally Lead To Abortive Instability
Biological sciences Aminopurine Abortive cycling Kinetics P266l Rna polymerase Transition Abortive instability
2014/12/10
RNA polymerases carry out a process, which at times carries contradictory mechanistic requirements. During initiation, an RNA polymerase should be highly sequence specific, binding only to and initiat...
Attribution of ozone changes to dynamical and chemical processes in CCMs and CTMs
Chemical climate models Earth's ozone layer. Coupled chemical plan Simulated atmospheric flow Ozone concentration
2014/12/9
Chemistry-climate models (CCMs) are commonly used to simulate the past and future development of Earth's ozone layer. The fully coupled chemistry schemes calculate the chemical production and destruct...
Probing for Conformational Changes in the Repair Enzyme Mfd Using Mutant Protein Constructs
Conformational Changes Repair Enzyme Mfd Mutant Protein Constructs
2014/12/9
DNA repair is essential for survival, as damage to the genome can interrupt the precarious balance of cell functions, causing further mutations and possibly leading to cancer. The bacterial transcript...
Recent changes in production in oligotrophic Uinta Mountain lakes, Utah, identified using paleolimnology
oligotrophic Uinta Mountain lakes Utah
2014/11/28
We use multiple proxies from lake sediment records of six remote alpine lakes in the Uinta Mountains, Utah,
to investigate primary production and potential drivers of changes in trophic status over t...
Land use and land cover changes detection using multi temporal satellite data Devikulam Taluk, Idukki district, Kerala
Land use land cover change detection Devikulam taluk
2014/11/26
All exploit natural forest in unscientific way in search of profits and means of subsistence.
Forest deterioration is a complex socio-economic, cultural and political event. An assessment
of the f...
GIS based mapping and environmental impact of Wetlands changes in a Riverine district of Bangladesh
Bangladesh Wetlands Changes Management Environmen
2014/11/26
This research is concerned with the GIS based mapping and change of areal extent of
wetlands within two different periods and to identify the causes of change and impact
assessment of wetland chan...
Spatio-temporal analysis of land use - land cover changes in Delhi using remote sensing and GIS techniques
Land cover changes Remote sensing and GIS Maximum Likelihood
2014/11/19
Temporal land cover changes have a strong effect on the urban environment and its
surroundings. In the present study, Delhi metropolitan area has been considered for the
detection of land cover ch...
Mapping and monitoring of land use and land cover changes using Remote Sensing and GIS techniques
Coastal zone Land uses land cover change detection
2014/11/19
With passage of time, Land use and Land cover (LULC) of coastal area undergoes significant
change due to varying natural and anthropogenic causes. So it is essential to monitor the
changes in land...
COLLEGE PARK, Md. - The intense farming practices of the "Green Revolution" are powerful enough to alter Earth's atmosphere at an ever-increasing rate, boosting the seasonal amplitude in atmospheric c...
The intense farming practices of the "Green Revolution" are powerful enough to alter Earth's atmosphere at an ever-increasing rate, boosting the seasonal amplitude in atmospheric carbon dioxide to abo...
Quantifying the dynamic changes of landuse and landcover in Neil Island, Andaman and Nicobar, India
landuse/landcover mapping GIS Remote sensing
2014/11/17
The present study aims at assessing the dynamics of land use land cover change of Neil
Island in Andaman using remote sensing and GIS. Survey of India (SOI) toposheet (1979)
was used to prepare th...
Long-term vegetation changes in a temperate forest impacted by climate change
Alaska biodiversity Callitropsis nootkatensis
2015/11/13
Pervasive forest mortality is expected to increase in future decades as a result of increasing
temperatures. Climate-induced forest dieback can have consequences on ecosystem services, potentially
m...
Assessment of land use and land cover changes in south Andaman Island using remote sensing and GIS
land use land cover changes south Andaman Island remote sensing and GIS
2014/11/12
Remote Sensing and GIS techniques were used to study the landuse and landcover change in the South Andaman Island. The study assesses the spatial-temporal land use and land cover changes between 1979 ...
Mammalian Species Origin and Geographical Dispersal Patterns Correlate With Changes in Chromosome Structure, Exemplified in Lemurs (Madagascar) and Bats (Worldwide)
Bats Biogeography Chromosomes Karyotypes Lemurs Speciation
2014/10/22
The origin and geographical distribution of mammalian species (my examples are lemurs and bats) correlate with predictable chromosomal structural changes (KFT=karyotypic fission theory). Chromosome st...