Pubget: DEFICIENS Protein Articles and Abstracts

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DEFICIENS Protein (0):

Home > Amino Acids, Peptides, and Proteins > Proteins > Plant Proteins > DEFICIENS Protein

Recent article

DEFICIENS Protein

Physiologia Plantarum (132)4 2008

Characterization of genes controlling stamen identity and development in a parthenocarpic tomato mutant indicates a role for the DEFICIENS ortholog in the control of fruit set.

Andrea Mazzucato, Irene Olimpieri, Francesca Siligato, Maurizio Enea Picarella and Gian Piero Soressi

Abstract

We tested the hypothesis that stamen aberrations and parthenocarpy in pat are driven by cues coming from the altered expression of class B MADS box genes. The data showed that the Pat locus is not allelic to either of the two tomato mutations putatively involved in the B function, stamenless (sl)-2... | PMID: 18334005

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Molecular Phylogenetics and Evolution (43)1 2007

Phylogenetic utility of the AP3/DEF K-domain and its molecular evolution in Impatiens (Balsaminaceae).

Steven Janssens, Koen Geuten, Tom Viaene, Yong-Ming Yuan, Yi Song and Erik Smets

Abstract

We investigated the phylogenetic utility of the two AP3/DEF paralogues (ImpDEF1 and ImpDEF2) that were recently identified in the genus Impatiens (Balsaminaceae). K-domain introns 4 and 5 of both AP3/DEF duplicates were amplified and sequenced for 59 Impatiens species. Phylogenetic analyses of the s... | PMID: 17254808

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Planta (224)1 2006

The pollen-specific DEFH125 promoter from Antirrhinum is bound in vivo by the MADS-box proteins DEFICIENS and GLOBOSA.

Andrea Lauri, Shuping Xing, Iris Heidmann, Heinz Saedler and Sabine Zachgo

Abstract

We describe the characterization of a 2.5 kbp promoter fragment conferring pollen-specific GUS expression in Antirrhinum, as well as in the distantly related species Arabidopsis. Taking advantage of the higher sensitivity of the diphtheria toxin A-chain (DTA) reporter gene assay, onset of DEFH125 pr... | PMID: 16374606

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Oncology Reports (15)2 2006

Validation by RQ-PCR and flow cytometry of alpha-defensin1-3 (DEFA1-3) overexpression in relapsed and refractory acute lymphoblastic leukemia.

Geertruy Te Kronnie, Silvio Bicciato, Lisa Franceschini, Benedetta Accordi, Marta Campo Dellíorto, Andrea Rinaldi, Andrea Pession, Elena Barisone, Valentino Conter, Franco Locatelli and Giuseppe Basso

Abstract

In spite of high cure rates and improved overall survival, 25% of pediatric patients with acute lymphoblastic leukemia (ALL) relapse after obtaining complete remission. Additionally a small proportion of patients are refractory and do not attain remission. Microarray expression analysis of matched d... | PMID: 16391852

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Plant Molecular Biology (58)3 2005

The modified ABC model explains the development of the petaloid perianth of Agapanthus praecox ssp. orientalis (Agapanthaceae) flowers.

Toru Nakamura, Tatsuya Fukuda, Masaru Nakano, Mitsuyasu Hasebe, Toshiaki Kameya and Akira Kanno

Abstract

We isolated and characterized the homologs of the Antirrhinum majus genes GLOBOSA and DEFICIENS in this plant. These were designated as ApGLO and ApDEF, respectively. ApGLO and ApDEF contain open reading frames that encode deduced protein with 210 and 214 amino acid residues, respectively. Phylogene... | PMID: 16021405

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Journal of Heredity (96)3 2005

To B or Not to B a flower: the role of DEFICIENS and GLOBOSA orthologs in the evolution of the angiosperms.

L M Zahn, J Leebens-Mack, C W DePamphilis, H Ma and G Theissen

Abstract

We review what is known about function, phylogeny, and expression in the DEF/GLO subfamily to examine their evolution in the angiosperms. Our analyses demonstrate that although the primary role of the DEF/GLO subfamily appears to be in specifying the stamens and inner perianth, several examples of p... | PMID: 15695551

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Plant Cell Online (16)12 2004

Characterization of antirrhinum petal development and identification of target genes of the class B MADS box gene DEFICIENS.

Melanie Bey, Kurt Stüber, Kurt Fellenberg, Zsuzsanna Schwarz-Sommer, Hans Sommer, Heinz Saedler and Sabine Zachgo

Abstract

We conducted expression profiling experiments using macroarrays comprising >11,600 annotated Antirrhinum unigenes. First, four late petal developmental stages were compared with sepals. More than 500 ESTs were identified that comprise a large number of stage-specifically regulated genes and reveal a... | PMID: 15539471

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Plant Molecular Biology (54)5 2004

Virus induced gene silencing of a DEFICIENS ortholog in Nicotiana benthamiana.

Yule Liu, Naomi Nakayama, Michael Schiff, Amy Litt, Vivian F Irish and S P Dinesh-Kumar

Abstract

We show that virus-induced gene silencing (VIGS) is an effective new tool to study the function of orthologs of floral homeotic genes such as DEFICIENS (DEF) in non-model systems. We used a tobacco rattle virus (TRV)-based VIGS approach to study the function of the Nicotiana benthamiana DEF ortholog... | PMID: 15356389

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Trends in Plant Science (9)2 2004

Mitochondrial tuning fork in nuclear homeotic functions.

Mikhajlo K MK Zubko

Abstract

These results allow cooperation between nuclear and cytoplasmic genetic compartments considered as a developmental function and an evolutionary mechanism of speciation.... | PMID: 15106588

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Nucleic Acids Research (31)15 2003

Structural diversification and neo-functionalization during floral MADS-box gene evolution by C-terminal frameshift mutations.

Michiel Vandenbussche, Günter Theissen, Yves Van de Peer and Tom Gerats

Abstract

We present data suggesting that frameshift mutations in the C-terminal domain of specific ancestral MADS-box genes may have contributed to the structural and functional divergence of the MADS-box gene family. We have identified putative frameshift mutations in the conserved C-terminal motifs of the... | PMID: 12888499

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Plant Journal (34)1 2003

Flower development in carrot CMS plants: mitochondria affect the expression of MADS box genes homologous to GLOBOSA and DEFICIENS.

Bettina B Linke, Thomas T Nothnagel and Thomas T Börner

Abstract

We have isolated five cDNAs encoding MADS box proteins (DcMADS1-5) from a flower-specific library of carrot. Structural features deduced from their sequence and transcript patterns in unmodified carrot flowers determined by in situ hybridisation relate them to known MADS box transcription factors in... | PMID: 12662306

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Plant Journal (33)4 2003

Interactions between gene activity and cell layers during floral development.

Coral A Vincent, Rosemary Carpenter and Enrico S Coen

Abstract

We exploited a DEF allele which carries a transposon insertion in the MADS box region to generate periclinal chimeras expressing alleles with different activities. By comparing the phenotype, development and expression patterns of these chimeras we show that expression of DEF in L1 makes a major con... | PMID: 12609048

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Development (128)14 2001

Epidermal control of floral organ identity by class B homeotic genes in Antirrhinum and Arabidopsis.

N N Efremova, M C MC Perbal, A A Yephremov, W A WA Hofmann, H H Saedler and Z Z Schwarz-Sommer

Abstract

We have used transgenic Antirrhinum and Arabidopsis plants that expressed the Antirrhinum class B homeotic transcription factors DEFICIENS (DEF) and GLOBOSA (GLO) in the epidermis. Transgene expression was controlled by the ANTIRRHINUM FIDDLEHEAD (AFI) promoter, which directs gene expression to the... | PMID: 11526073

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Plant Journal (25)5 2001

The gene fimbriata interacts non-cell autonomously with floral regulatory genes.

E Schultz, R Carpenter, S Doyle and E Coen

Abstract

We tested the hypotheses that (i) fim acts in a non-cell autonomous manner; and (ii) non-cell autonomy of flo might be through activation and subsequent non-cell autonomous activity of fim. Plants bearing an unstable fim allele were monitored for revertant shoots. Analysis of fim RNA expression in p... | PMID: 11309140

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Gene (264)2 2001

Genomic organization and transcriptional analysis of STDEFICIENS in Solanum tuberosum L.

F F García-Maroto and M J MJ Carmona

Abstract

We have characterised the transcriptional STDEF unit. The main transcription start has been identified around 90 nt upstream of the putative initiation ATG codon, at a CAAATC motif, conserved in AP3. An additional transcription initiation site was detected by 5'-RACE analysis about 300 nt upstream o... | PMID: 11250071

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Plant Physiology (124)2 2000

A DEFICIENS homolog from the dioecious tree black cottonwood is expressed in female and male floral meristems of the two-whorled, unisexual flowers.

L A LA Sheppard, A M AM Brunner, K V KV Krutovskii, W H WH Rottmann, J S JS Skinner, S S SS Vollmer and S H SH Strauss

Abstract

We isolated PTD, a member of the DEFICIENS (DEF) family of MADS box transcription factors, from the dioecious tree, black cottonwood (Populus trichocarpa). In females, in situ hybridization experiments showed that PTD mRNA was first detectable in cells on the flanks of the inflorescence meristem, be... | PMID: 11027713

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Planta (210)6 2000

A DEFICIENS homologue is down-regulated during apomictic initiation in ovules of Hieracium.

J J Guerin, J B JB Rossel, S S Robert, T T Tsuchiya and A A Koltunow

Abstract

Hieracium is a member of the Asteraceae family, and contains sexual species in addition to apomictic species that reproduce by apospory and produce seed without fertilization. A homologue of the floral organ-identity gene DEFICIENS (DEF) was isolated from an apomictic line of Hieracium piloselloides... | PMID: 10872222

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Molecular Cell (5)3 2000

Molecular and genetic analyses of the silky1 gene reveal conservation in floral organ specification between eudicots and monocots.

B A BA Ambrose, D R DR Lerner, P P Ciceri, C M CM Padilla, M F MF Yanofsky and R J RJ Schmidt

Abstract

We cloned silky1 (si1), a male sterile mutant of Zea mays that has homeotic conversions of stamens into carpels and lodicules into palea/lemma-like structures. Our studies indicate that si1 is a monocot B function MADS box gene. Moreover, the si1 zag1 double mutant produces a striking spikelet pheno... | PMID: 10882141

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EMBO Journal (18)19 1999

Ternary complex formation between the MADS-box proteins SQUAMOSA, DEFICIENS and GLOBOSA is involved in the control of floral architecture in Antirrhinum majus.

M M Egea-Cortines, H H Saedler and H H Sommer

Abstract

In Antirrhinum, floral meristems are established by meristem identity genes. Floral meristems give rise to floral organs in whorls, with their identity established by combinatorial activities of organ identity genes. Double mutants of the floral meristem identity gene SQUAMOSA and organ identity gen... | PMID: 10508169

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EMBO Journal (16)21 1997

Dual role for fimbriata in regulating floral homeotic genes and cell division in Antirrhinum.

G C GC Ingram, S S Doyle, R R Carpenter, E A EA Schultz, R R Simon and E S ES Coen

Abstract

We show that FIM associates with a family of proteins, termed FAPs (FIM-associated proteins), that are closely related to human and yeast Skp1 proteins. These proteins form complexes with F-box-containing partners to promote protein degradation and cell cycle progression. The fap genes are expressed... | PMID: 9351833

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EMBO Journal (15)16 1996

Multiple interactions amongst floral homeotic MADS box proteins.

B Davies, M Egea-Cortines, E de Andrade Silva, H Saedler and H Sommer

Abstract

We have used a yeast two-hybrid system to investigate the network of interactions between the Antirrhinum organ identity gene products. Selective heterodimerization is observed between MADS box factors. Exclusive interactions are detected between two factors, DEFICIENS (DEF) and GLOBOSA (GLO), previ... | PMID: 8861961

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EMBO Journal (9)3 1990

Deficiens, a homeotic gene involved in the control of flower morphogenesis in Antirrhinum majus: the protein shows homology to transcription factors.

H H Sommer, J P JP Beltrán, P P Huijser, H H Pape, W E WE Lönnig, H H Saedler and Z Z Schwarz-Sommer

Abstract

We discuss the structure and the possible function of the DEF A protein in the control of floral organogenesis.... | PMID: 1968830

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