ONLINE IMAGE COLLECTION
 | | Image Title: Fluorescence in situ hybridization in a root tip metaphase squash of Nothoscordum striatum (Alliaceae) | | Image Credit: Kar Yoong Lim | | AJB Editor: Judy Jernstedt, University of California - Davis | | Intended End User: Teacher, Student | | Copyright held by: Kim/BSA | | For Larger Version (click here) | About the Image | Fluorescence in situ hybridization in a root tip metaphase squash of Nothoscordum striatum (Alliaceae) probed with concatemers of the human-type telomere motif (TTAGGG)n (biotin-labeled probe detected with cy3 avidin, red fluorescence; DAPI counterstain for DNA, blue fluorescence). The (TTAGGG)n minisatellite motif is found at chromosome ends (the telomeres). The authors showed that these motifs, and all investigated minisatellite repeats typical of eukaryote telomeres, are lost with the divergence of the genus Alllium from the rest of Alliaceae.
Link to
the AJB Abstract for the article:
Minisatellite telomeres occur in the family Alliaceae but are lost in Allium
by Eva Skorová, Jií Fajkus, Marie Mezníková, Kar
Yoong Lim, Kamila Neplechová, Frank R. Blattner, Mark W. Chase and Andrew
R. Leitch |
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Development Supported by the National Science Foundation
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