PMID- 16908431 OWN - NLM STAT- MEDLINE DCOM- 20061101 LR - 20240109 IS - 1052-0295 (Print) IS - 1052-0295 (Linking) VI - 81 IP - 2-3 DP - 2006 Mar-Jun TI - Sensitive fluorescence in situ hybridization signal detection in maize using directly labeled probes produced by high concentration DNA polymerase nick translation. PG - 71-8 AB - The signal produced by fluorescence in situ hybridization (FISH) often is inconsistent among cells and sensitivity is low. Small DNA targets on the chromatin are difficult to detect. We report here an improved nick translation procedure for Texas red and Alexa Fluor 488 direct labeling of FISH probes. Brighter probes can be obtained by adding excess DNA polymerase I. Using such probes, a 30 kb yeast transgene, and the rp1, rp3 and zein multigene clusters were clearly detected. FAU - Kato, A AU - Kato A AD - Division of Biological Sciences, Tucker Hall, University of Missouri-Columbia, Columbia, Missouri, 65211-7400, USA. FAU - Albert, P S AU - Albert PS FAU - Vega, J M AU - Vega JM FAU - Birchler, J A AU - Birchler JA LA - eng PT - Journal Article PT - Research Support, U.S. Gov't, Non-P.H.S. PL - England TA - Biotech Histochem JT - Biotechnic & histochemistry : official publication of the Biological Stain Commission JID - 9107378 RN - 0 (DNA Probes) RN - EC 2.7.7.7 (DNA Polymerase I) SB - IM MH - *Chromosomes, Plant MH - *DNA Polymerase I MH - DNA Probes/*chemical synthesis MH - In Situ Hybridization, Fluorescence/instrumentation/*methods MH - *Molecular Probe Techniques/instrumentation MH - Zea mays/*genetics EDAT- 2006/08/16 09:00 MHDA- 2006/11/02 09:00 CRDT- 2006/08/16 09:00 PHST- 2006/08/16 09:00 [pubmed] PHST- 2006/11/02 09:00 [medline] PHST- 2006/08/16 09:00 [entrez] AID - MTU8086171831U07 [pii] AID - 10.1080/10520290600643677 [doi] PST - ppublish SO - Biotech Histochem. 2006 Mar-Jun;81(2-3):71-8. doi: 10.1080/10520290600643677.