PMID- 18265944 OWN - NLM STAT- MEDLINE DCOM- 20080604 LR - 20211020 IS - 0167-4412 (Print) IS - 0167-4412 (Linking) VI - 66 IP - 6 DP - 2008 Apr TI - Agrobacterium-mediated transformation of maize (Zea mays) with Cre-lox site specific recombination cassettes in BIBAC vectors. PG - 587-98 LID - 10.1007/s11103-007-9276-2 [doi] AB - The Cre/loxP site-specific recombination system has been applied in various plant species including maize (Zea mays) for marker gene removal, gene targeting, and functional genomics. A BIBAC vector system was adapted for maize transformation with a large fragment of genetic material including a herbicide resistance marker gene, a 30 kb yeast genomic fragment as a marker for fluorescence in situ hybridization (FISH), and a 35S-lox-cre recombination cassette. Seventy-five transgenic lines were generated from Agrobacterium-mediated transformation of a maize Hi II line with multiple B chromosomes. Eighty-four inserts have been localized among all 10 A chromosome pairs by FISH using the yeast DNA probe together with a karyotyping cocktail. No inserts were found on the B chromosomes; thus a bias against the B chromosomes by the Agrobacterium-mediated transformation was revealed. The expression of a cre gene was confirmed in 68 of the 75 transgenic lines by a reporter construct for cre/lox mediated recombination. The placement of the cre/lox site-specific recombination system in many locations in the maize genome will be valuable materials for gene targeting and chromosome engineering. FAU - Vega, Juan M AU - Vega JM AD - Division of Biological Sciences, University of Missouri, Tucker Hall, Columbia, MO 65211, USA. FAU - Yu, Weichang AU - Yu W FAU - Han, Fangpu AU - Han F FAU - Kato, Akio AU - Kato A FAU - Peters, Eric M AU - Peters EM FAU - Zhang, Zhanyuan J AU - Zhang ZJ FAU - Birchler, James A AU - Birchler JA LA - eng PT - Journal Article PT - Research Support, Non-U.S. Gov't PT - Research Support, U.S. Gov't, Non-P.H.S. DEP - 20080212 PL - Netherlands TA - Plant Mol Biol JT - Plant molecular biology JID - 9106343 SB - IM MH - Blotting, Southern MH - Chromosomes, Plant/genetics MH - Genetic Vectors/*genetics MH - In Situ Hybridization, Fluorescence MH - Models, Genetic MH - Plants, Genetically Modified MH - Recombination, Genetic/*genetics MH - Rhizobium/*genetics MH - Transformation, Genetic MH - Transgenes/genetics MH - Zea mays/*genetics EDAT- 2008/02/13 09:00 MHDA- 2008/06/05 09:00 CRDT- 2008/02/13 09:00 PHST- 2007/10/21 00:00 [received] PHST- 2007/12/17 00:00 [accepted] PHST- 2008/02/13 09:00 [pubmed] PHST- 2008/06/05 09:00 [medline] PHST- 2008/02/13 09:00 [entrez] AID - 10.1007/s11103-007-9276-2 [doi] PST - ppublish SO - Plant Mol Biol. 2008 Apr;66(6):587-98. doi: 10.1007/s11103-007-9276-2. Epub 2008 Feb 12.