Translocation

translocation
transfer of soluble materials through the sieve tubes of the phloem of vascular plants; the exchange of parts of chromosomes
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
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Translocation of Food
Food and other organic substances (e.g., some plant hormones and even messenger RNAs [Link]) manufactured in the cells of the plant are transported in the phloem.
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Chapter 19
Translocation of the cell-penetrating Tat peptide across artificial bilayers and into living cells
Paul Curnow1,3, Harry Mellor, David J. Stephens, Mark Lorch2 and Paula J. Booth3 ...
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A chromosomal configuration in which (usually) the ends of two non- homologous chromosomes have become exchanged. A translocation in which part of one chromosome is exchanged with a part of a separate non-homologous chromosome.
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Dr. Pu Paul Liu, of the National Human Genome Research Institute's Genetics and Molecular Biology Branch, defines translocation.
illustrated:
View illustration ...
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Translocation
Transfer of a segment of a chromosome to a non homologous chromosome. Translocations are usually reciprocal. (Cf. Interchange.)
Related Terms: Chromosome ...
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Translocation Down Syndrome
A translocation is the movement of a chromosomal segment from one chromosome to another nonhomologous chromosome.
Five percent of Down Syndrome cases involve a translocation.
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translocation 1) The movement of a segment from one chromosome to another without altering the number of chromosomes. 2) the movement of þuids through the phloem from one part of a plant to another, ...
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translocation
[L. trans, across + locare, to put or place]
(1) An aberration in chromosome structure resulting from an error in meiosis or from mutagens; attachment of a chromosomal fragment to a nonhomologous chromosome.
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translocation Moving animals from one location to another, for instance to determine whether and how soon they shift their activity cycle to match the photoperiod and/or other features in their new location.
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Translocation. The movement or reciprocal exchange of large-chromosomal segments, typically between two different chromosomes.
Transposable genetic element. See Transposon.
Transposition. The movement of a DNA segment within the genome of an organism.
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Translocation A mutation in which a large segment of one chromosome breaks off and attaches to another chromosome.
See also: mutation
Transposable element A class of DNA sequences that can move from one chromosomal site to another.
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Translocation: The process by which a newly synthesized protein is directed toward a specific cellular compartment (i.e, the nucleus, the endoplasmic reticulum).
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Protein translocation
In 1970, Gnter Blobel conducted experiments on the translocation of proteins across membranes. He was awarded the 1999 Nobel prize for his findings.
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A Robertsonian translocation in either partner may cause recurrent abortions or complete infertility.
Female infertility
Factors relating to female infertility are: ...
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Also chromosomal translocation may become important. In this mechanism, ...
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(See Dominant gene, Fusion gene, Gene amplification, Gene expression, Gene flow, Gene pool, Gene splicing, Gene translocation, Recessive gene, Regulatory gene.) Gene amplification. The presence of multiple genes.
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Down syndrome -- a type of mental deficiency due to trisomy (three copies) of autosome 21, a translocation of 21 or mosaicism.
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An antibiotic that inhibits protein synthesis by binding to the 30s ribosomal subunit and preventing translocation. KanR is usually due to a cytoplasmic aminoglycoside phosphotransferase that inactivates kanamycin by covalently phosphorylating it.
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: One of the more modern methods in cytogenetics, which uses fluorescence-labelled chromosome-specific DNA, probes to detect translocations, inversions, deletions, amplifications and other structural or numerical chromosomal abnormalities.
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The small fourth chromosome of Drosophila melanogaster remains achiasmate and is normally segregated.
In a (1,4) translocation heterozygote, ...
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translational control The regulation of the rate of a protein's synthesis by regulation of the rate of translocation of the ribosome. translational repressor A repressor that blocks translation of a mRNA.
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