PMID- 18067886 OWN - NLM STAT- MEDLINE DCOM- 20080226 LR - 20240312 IS - 1095-564X (Electronic) IS - 0012-1606 (Print) IS - 0012-1606 (Linking) VI - 313 IP - 2 DP - 2008 Jan 15 TI - Characterization of the Drosophila segment determination morphome. PG - 844-62 AB - Here we characterize the expression of the full system of genes which control the segmentation morphogenetic field of Drosophila at the protein level in one dimension. The data used for this characterization are quantitative with cellular resolution in space and about 6 min in time. We present the full quantitative profiles of all 14 segmentation genes which act before the onset of gastrulation. The expression patterns of these genes are first characterized in terms of their average or typical behavior. At this level, the expression of all of the genes has been integrated into a single atlas of gene expression in which the expression levels of all genes in each cell are specified. We show that expression domains do not arise synchronously, but rather each domain has its own specific dynamics of formation. Moreover, we show that the expression domains shift position in the direction of the cephalic furrow, such that domains in the anlage of the segmented germ band shift anteriorly while those in the presumptive head shift posteriorly. The expression atlas of integrated data is very close to the expression profiles of individual embryos during the latter part of the blastoderm stage. At earlier times gap gene domains show considerable variation in amplitude, and significant positional variability. Nevertheless, an average early gap domain is close to that of a median individual. In contrast, we show that there is a diversity of developmental trajectories among pair-rule genes at a variety of levels, including the order of domain formation and positional accuracy. We further show that this variation is dynamically reduced, or canalized, over time. As the first quantitatively characterized morphogenetic field, this system and its behavior constitute an extraordinarily rich set of materials for the study of canalization and embryonic regulation at the molecular level. FAU - Surkova, Svetlana AU - Surkova S AD - Department of Computational Biology, Center for Advanced Studies, St. Petersburg State Polytechnical University, 29 Polytehnicheskaya Street, St. Petersburg, 195251, Russia. FAU - Kosman, David AU - Kosman D FAU - Kozlov, Konstantin AU - Kozlov K FAU - Manu AU - Manu FAU - Myasnikova, Ekaterina AU - Myasnikova E FAU - Samsonova, Anastasia A AU - Samsonova AA FAU - Spirov, Alexander AU - Spirov A FAU - Vanario-Alonso, Carlos E AU - Vanario-Alonso CE FAU - Samsonova, Maria AU - Samsonova M FAU - Reinitz, John AU - Reinitz J LA - eng GR - R01 GM072022-04/GM/NIGMS NIH HHS/United States GR - R01 GM072022/GM/NIGMS NIH HHS/United States GR - RR07801/RR/NCRR NIH HHS/United States GR - R56 GM072022/GM/NIGMS NIH HHS/United States GR - R01 RR007801-17/RR/NCRR NIH HHS/United States GR - R01 RR007801/RR/NCRR NIH HHS/United States GR - GM072022/GM/NIGMS NIH HHS/United States PT - Journal Article PT - Research Support, N.I.H., Extramural PT - Research Support, Non-U.S. Gov't PT - Research Support, U.S. Gov't, Non-P.H.S. DEP - 20071104 PL - United States TA - Dev Biol JT - Developmental biology JID - 0372762 RN - 0 (Drosophila Proteins) RN - 0 (Homeodomain Proteins) RN - 0 (Transcription Factors) RN - 0 (eve protein, Drosophila) SB - IM MH - Analysis of Variance MH - Animals MH - Blastoderm/cytology/metabolism MH - *Body Patterning/genetics MH - Drosophila/*embryology/genetics/metabolism MH - Drosophila Proteins/metabolism MH - Embryonic Development MH - *Gene Expression MH - Gene Expression Profiling MH - Gene Expression Regulation, Developmental MH - *Genes, Insect MH - Homeodomain Proteins/metabolism MH - *Morphogenesis MH - Reproducibility of Results MH - Time Factors MH - Transcription Factors/metabolism PMC - PMC2254320 MID - NIHMS39268 EDAT- 2007/12/11 09:00 MHDA- 2008/02/27 09:00 PMCR- 2009/01/15 CRDT- 2007/12/11 09:00 PHST- 2007/04/12 00:00 [received] PHST- 2007/08/27 00:00 [revised] PHST- 2007/10/18 00:00 [accepted] PHST- 2007/12/11 09:00 [pubmed] PHST- 2008/02/27 09:00 [medline] PHST- 2007/12/11 09:00 [entrez] PHST- 2009/01/15 00:00 [pmc-release] AID - S0012-1606(07)01466-2 [pii] AID - 10.1016/j.ydbio.2007.10.037 [doi] PST - ppublish SO - Dev Biol. 2008 Jan 15;313(2):844-62. doi: 10.1016/j.ydbio.2007.10.037. Epub 2007 Nov 4.