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Abundance and distribution of Macrolide
Abundance and distribution of Macrolide

... anaerobic sludge bed (UASB), anoxic reactor, and oxic reactor (Fig. 1). The effective reactor volumes of the three reactors were 600 L, 200 L, and 400 L, respectively. The flow rate of raw wastewater was 200 L/d. The hydraulic retention time (HRT) was 48 h for UASB and oxic reactors, and 24 h for th ...
STAR Test Sample Questions Table of Contents Biology (End-of-course) Cell Biology
STAR Test Sample Questions Table of Contents Biology (End-of-course) Cell Biology

... B natural processes that always affect the phenotype. C unnatural processes that always affect the phenotype. D unnatural processes that are harmful to genetic diversity. ...
Journal of Bacteriology
Journal of Bacteriology

... ously been located in the phoB gene, which codes for a positive regulatory protein of thepho regulon (23). Class 2 mutants have an altered LPS, as indicated by their changed sensitivity towards the LPS-specific phages T3, T7, and P1 or C21 (11). One subclass of these mutants, of which strain CE1182 ...
The Ehlers-Danlos syndrome: on beyond collagens
The Ehlers-Danlos syndrome: on beyond collagens

... the EDS classification scheme was collapsed into six distinct clinical syndromes (3), emphasizing the molecular basis of each form (Table 1). Heterogeneity between the several clinical syndromes both complicates the diagnosis of EDS and makes accurate diagnosis imperative. Ultimately, one would like ...
Chapter 2 - psychpro.us
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... • Genome-wide association method - Identify genetic variations linked to a particular disease • Human genome consists of many genes that collaborate: – Both with each other and with nongenetic factors inside and outside the body ...
Regulation of Bacterial Conjugation in Microaerobiosis by
Regulation of Bacterial Conjugation in Microaerobiosis by

... produce strict anaerobiosis; for this reason, the term ‘‘microaerobiosis’’ is used. Diethyl sulfate mutagenesis: Fifty microliters of diethyl sulfate (DES) were dissolved in 5 ml of liquid E medium without carbon source and kept at 37° during 10 min in a screw-capped tube. One hundred microliters of ...
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... agreed upon during European Working Group meetings and that have been published in Infoletter 23. The aim of this project is however the evolution from an IRS to a true database, i.e. a system where each user can not only search data, but also input or modify its own contributed data. Such a system ...
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Cloning animals
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... procedure, this would also have implications for animal production, whose extent would largely be decided by the cost of cloning. As long as the procedure is still very expensive, only isolated and extremely valuable, top-performance animals will be cloned, e. g. in the event of the loss (from age o ...
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Convergent evolution of complex regulatory

... HoxA locus [data from (12)]. (C) Interactions established by Hoxa13 (vertical orange bar) in both E12.5 digits (top) and E15.5 genitals (bottom). Most contacts are observed within a 1-Mb regulatory landscape, telomeric to the cluster (red shaded area) in a gene-containing region, matching one TAD. T ...
Hypertension in the spontaneously hypertensive rat is linked to the Y
Hypertension in the spontaneously hypertensive rat is linked to the Y

... well-studied animal model of human essential hypertension. This inbred strain was developed by selective breeding of the Wistar-Kyoto (WKY) stock for higher blood pressure.1 The response to this selection was rapid, with almost 100% hypertension by generation three.2 This quick selective response in ...
definitive non definitive non-invasive invasive prenatal diagnosis
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Neurofibromatosis, Type 1 - St. Jude Children`s Research Hospital
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... syndrome in their family. In these cases, the change either happened in an egg or sperm cell when the child was formed or in one of the child’s cells during pregnancy. These children are the first in their families to have neurofibromatosis, type 1. No matter how they acquired the NF1 mutation, peop ...
Diamond GM Risk Assessment Guidance
Diamond GM Risk Assessment Guidance

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here
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... You might think that Mendel’s discoveries would have made a big impact on science as soon as he made them. But you would be wrong. Why? Because Mendel’s work was largely ignored. Mendel was far ahead of his time and working from a remote monastery. He had no reputation among the scientific community ...
Activation of proto-oncogenes by disruption of
Activation of proto-oncogenes by disruption of

... cell types (8, 9, 24), and a set of ~10,000 constitutive CTCF-CTCF loops shared by GM12878 lymphoblastoid, Jurkat cells and K562 CML cells (24) were identified for comparison (Fig. 4A, S11, Table S8). The boundaries of these neighborhoods were examined for somatic point mutations found in cancer gen ...
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... A copy number increase of the BOP1 gene was detected in 39% of colorectal cancer samples (n=56) and was associated with an increase of its mRNA level. This copy number increase was more frequent than that observed for MYC, a proto-oncogene located 16.6 Mb upstream from BOP1 and was distinct from MYC ...
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3.1.molecular_evolution - T

... (or “clocklike”) and because selection does not influence the rate of divergence, divergence of DNA and protein molecules in two separate lineages should occur in a REGULAR, clocklike manner ...
Solid Tumour Section Soft tissue tumors: Ewing's tumors/Primitive neurectodermal tumors (PNET)
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... Esthesioneuroblastoma is histologically very similar to neuroblastoma; rosettes may be present. Askin's tumour seems to be more related to neuroepithelioma than to Ewing's sarcoma. Ewing's sarcoma forms sheets of uniform small roundcells, sometimes arranged in a lobular pattern; the cytoplasm is sca ...
Leukaemia Section t(2;3)(p21;q26) THADA/MECOM Atlas of Genetics and Cytogenetics in Oncology and Haematology
Leukaemia Section t(2;3)(p21;q26) THADA/MECOM Atlas of Genetics and Cytogenetics in Oncology and Haematology

... Location 2p21 Protein THADA is assumed to be involved it in the TRAIL-induced apoptosis. Truncated THADA have been found in thyroid adenomas; it would compete with normal THADA, thereby disturbing normal apoptosis of follicular cells (Rippe et al., ...
Big Ideas and Essential Knowledge
Big Ideas and Essential Knowledge

... Organisms are linked by lines of descent from common ancestry. Essential knowledge 1.B.1: Organisms share many conserved core processes and features that evolved and are widely distributed among organisms today. Essential knowledge 1.B.2: Phylogenetic trees and cladograms are graphical representatio ...
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14_GE Lecture_Presentation

... a) Second: for each character, an organism inherits two alleles, one from each parent b) Mendel made this deduction without knowing about chromosomes c) The two alleles at a particular locus may be identical, as in the true-breeding plants of Mendel’s P generation d) Alternatively, the two alleles ...
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Document

... Gene: A piece of DNA that controls a trait Allele: Version (type) of a gene ...
Expression Differentiation Is Constrained to Low
Expression Differentiation Is Constrained to Low

... Department of Biological Science, Florida State University, Tallahassee, Florida 32306 ...
< 1 ... 112 113 114 115 116 117 118 119 120 ... 1937 >

Microevolution

Microevolution is the change in allele frequencies that occur over time within a population. This change is due to four different processes: mutation, selection (natural and artificial), gene flow, and genetic drift. This change happens over a relatively short (in evolutionary terms) amount of time compared to the changes termed 'macroevolution' which is where greater differences in the population occur.Population genetics is the branch of biology that provides the mathematical structure for the study of the process of microevolution. Ecological genetics concerns itself with observing microevolution in the wild. Typically, observable instances of evolution are examples of microevolution; for example, bacterial strains that have antibiotic resistance.Microevolution over time leads to speciation or the appearance of novel structure, sometimes classified as macroevolution. Macro and microevolution describe fundamentally identical processes on different scales.
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