telomerethe tip of the
chromosome arm
Source: Jenkins, John B. 1990.
Human Genetics, 2nd Edition. New York: Harper & Row ...
Full article >>>Telomeres
Each eukaryotic
chromosome consists of a single
molecule of
DNA associated with a
variety of
proteins.
Full article >>>Telomere shortening
Lagging strand during
DNA replicationTelomeres shorten because of the
lagging strand phenomenon that is exhibited during
DNA replication in
eukaryotes only.
Full article >>>TelomereThe ends of
chromosomes. These specialized structures are involved in the
replication and stability of linear
DNA molecules. See
DNA replication.
Related Terms:
Chromosome ...
Full article >>>Telomere The terminal part of a linear
chromosome.
Replication of the ends of linear
DNA molecules requires specialized
enzymes or structures. Often the telomers have a
DNA sequence with a single-
stranded end that can fold into a
hairpin structure.
Full article >>>telomereThe protective structure at each end of a eukaryotic
chromosome. Specifically, the tandemly
repetitive DNA (see
Repetitive DNA) at the end of the
chromosome's
DNA molecule.
telophase ...
Full article >>>Telomeres
Shows the concept of how the ends of
chromosomes, the
telomeres, shorten each time the
cell divides.
View QuickTime Movie
Test Strip—Cedar Creek ...
Full article >>>Telomeres
Mammalian
cells typically divide only about 50 times.
This limit is set by the presence of repeated
sequences of
DNA at the tips of the
chromosomes called
telomeres.
Full article >>>Telomere: The end of a
chromosome. This specialized structure is involved in the
replication and stability of linear
DNA molecules. See
DNA replication.
Thymine (T): A
nitrogenous base, one member of the
base pair AT (
adeninethymine).
Full article >>>telomere A specialized and not well understood
nucleic acid structure found at the ends of linear eukaryotic
chromosomes. temperate
phage A
phage whose
DNA may be incorporated into the
host-
cell genome without being
expressed.
Full article >>>Telomere: The natural
distal end of a
chromosome. Contain some form of simple repeating
sequence, usually with a single
stranded
distal end that may form a
hairpin.
Full article >>>Artificial
chromosome A
vector constructed from
host cell chromosomal
elements such as
origin of replication,
telomeres and
centromere (in
eukaryotes).
Full article >>>Liz Blackburn - Australian/US discoverer of
telomeres
John Blackwall (1790-1881), British entomologist
Henri Marie Ducrotay de Blainville (1777-1850), French zoologist
Thomas Blakiston, (1832-1891), English naturalist ...
Full article >>>The ends are called
telomeres.
The positions of the
centromeres are used to broadly
classify
chromosomes into three morphological groups:
acrocentric (constriction near the top), ...
Full article >>>A yeast mini-
chromosome used for
cloning. It has
telomeres, a
centromere and an autonomous
replication sequence (ARS).
DNA fragments of 200-500 kb can be
cloned using YAC
vector.
Other Resources
PubMed Google ...
Full article >>>Genomic DNA in fragments of 200-500 kb are linked to
sequences which allow them to propagate in yeast as a mini-
chromosome (including
telomeres, a
centromere and an ARS - an autonomous
replication sequence).
Full article >>>Telomere. The end of a
chromosome.
Template. An
RNA or single-
stranded
DNA molecule upon which a
complementary
nucleotide strand is synthesized.
Termination codon.
Full article >>>'"/>