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Flowering time and inflorescence architecture are regulated by FRUITFULL-like genes in tomato

ABSTRACT: Flowering time and inflorescence architecture are regulated by FRUITFULL-like genes in tomato

PROVIDER: PRJNA646220 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR17009612_1.fastq.gz	Fastqsanger.gz
	SRR17009612_2.fastq.gz	Fastqsanger.gz
	SRR17009613_1.fastq.gz	Fastqsanger.gz
	SRR17009613_2.fastq.gz	Fastqsanger.gz
	SRR17009614_1.fastq.gz	Fastqsanger.gz

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Flowering time and inflorescence architecture are regulated by FRUITFULL-like genes in tomato

Project description:Null mutations of tomato FRUITFULL-like genes FUL1, FUL2, MBP10, MBP20 caused delayed flowering and branched inflorescence, so we sequenced mRNA from vegetative meristems (VM), transition meristems (TM), floral meristems (FM), and FM of the first sympodial shoot of tomato mutant ful1/ful2/mbp10/mbp20 (slful) as well as the wild type Moneyberg (WT) to see genome-wide expression changes affected by the mutations.

2021-12-22 | GSE154419 | GEO

FRUITFULL-like genes regulate flowering time and inflorescence architecture in tomato.

Project description:The timing of flowering and the inflorescence architecture are critical for the reproductive success of tomato (Solanum lycopersicum), but the gene regulatory networks underlying these traits have not been fully explored. Here, we show that the tomato FRUITFULL-like (FUL-like) genes FUL2 and MADS-BOX PROTEIN 20 (MBP20) promote the vegetative-to-reproductive transition and repress inflorescence branching by inducing floral meristem (FM) maturation. FUL1 fulfils a less prominent role and appears to depend on FUL2 and MBP20 for its upregulation in the inflorescence- and floral meristems. MBP10, the fourth tomato FUL-like gene, has probably lost its function. The tomato FUL-like proteins cannot homodimerize in in vitro assays, but heterodimerize with various other MADS-domain proteins, potentially forming distinct complexes in the transition meristem and FM. Transcriptome analysis of the primary shoot meristems revealed various interesting downstream targets, including four repressors of cytokinin signaling that are upregulated during the floral transition in ful1 ful2 mbp10 mbp20 mutants. FUL2 and MBP20 can also bind in vitro to the upstream regions of these genes, thereby probably directly stimulating cell division in the meristem upon the transition to flowering. The control of inflorescence branching does not occur via the cytokinin oxidase/dehydrogenases (CKXs) but may be regulated by repression of transcription factors such as TOMATO MADS-box gene 3 (TM3) and APETALA 2b (AP2b).

| S-EPMC8894982 | biostudies-literature

The SvFUL2 transcription factor is required for inflorescence determinacy and timely flowering in Setaria viridis

Project description:Inflorescence architecture in cereal crops directly impacts yield potential through regulation of seed number and harvesting ability. Extensive architectural diversity found in inflorescences of grass species is due to spatial and temporal activity and determinacy of meristems, which control the number and arrangement of branches and flowers, and underlie plasticity. Timing of the floral transition is also intimately associated with inflorescence development and architecture. Here, we show that a single mutation in a gene encoding an AP1 A-class MADS-box transcription factor significantly delays flowering time and disrupts multiple levels of meristem determinacy in panicles of the C4 model panicoid grass, Setaria viridis.

2021-04-02 | GSE156047 | GEO

Expression profile of Arabidopsis pistil/silique upon induction of FRUITFULL

Project description:To determine the genes that are regulated by FRUITFULL (FUL) in the pistil/silique, we identied differentially expressed genes after induction of FRUITFULL in ful-1 FUL-GR lines using the AGRONOMICS1 tiling array. The inflorescences of flowering plants were dipped in 10 uM DEX solution or in Mock Solution, and the flowers/siliques from stages 12-16 were harvested after 8 hours. RNA was extracted and DNase treated, and subsequent steps and hybridization to the AGRONOMICS Tiling array were performed by the Functional Genomics Center Zurich.

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HB21 induction in Arabidopsis inflorescence apexes

Project description:HB21 is a homeodomain leucine zipper transcription factor involved in the establishment of bud axillary dormancy. In this work we have characterized the role of HB21 in the control of the inflorescence arrest at the end of flowering. HB21, together with HB40 and HB53, are upregulated in the inflorescence apex at the end of the flowering phase promoting the floral bud arrest associated with the process. We also show that ABA accumulation occurs in the inflorescence apex at the end of flowering in physiological conditions, and that this accumulation depends on HB genes. Our work has allowed us to propose a physiological role of ABA in the control of floral bud arrest at the end of flowering

2024-05-24 | GSE249766 | GEO

Regulation of inflorescence architecture by inter-tissue-layer ligand-receptor communication between endodermis and phloem

Project description:Inflorescence architecture of Arabidopsis thaliana is regulated by ER-EPFL4/6 signaling module. To analyze the genes governed by this module, the transcriptional profiles of er-2 (allelic to er-106) mutant and epfl4 epfl6 double mutant were investigated. 9 samples are included in this study. Three biological replicates of 33 d post germination inflorescence tips of er-2 (allelic to er-106, Lease et al., 2001) and epfl4 epfl6 were compared with wild type (Col-0) sample for changes in gene expression.

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Regulation of inflorescence architecture by inter-tissue-layer ligand-receptor communication between endodermis and phloem

2012-03-28 | GSE35166 | GEO

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Project description:Developing strategies to increase rice productivity to meet global demand is one of the main challenges for breeders around the world. Here, we report a novel microRNA mediated process that increases rice grain yield in field trials. Expression of target mimicry of microRNA396 (MIM396) significantly increases rice yield by modulating the development of the auxiliary branches and spikelets through promoting the expression of Growth Regulation Factor 6 (OsGRF6). OsGRF6 coordinately induces the expression of several key factors involved in branch and spikelet development, auxin (IAA) biosynthesis, and auxin signaling pathway. Our results demonstrate that the miR396b-GRF6 module acts as a key player in shaping the inflorescence architecture of rice, which could be engineered to generate high-yield rice. This dataset records the profile of the binding peaks of OsGRF6 with GFP antibody in 35S:GRF6-GFP overexpression lines and the differential expressed genes between MIM396 and WT plants. Examination of OsGRF6 regulated genes.

2016-05-13 | E-GEOD-72694 | biostudies-arrayexpress

Protein interaction partners of FRUITFULL in inflorescence meristems and pistils by IP-MS.

Project description:To study the possibility that the tissue-specific gene targets and regulation by FUL are due to a different composition in the FUL transcription factor (TF) protein complex/es in both tissues, we determined the protein-protein interactions of FUL in planta. Inflorescence meristems (IMs) of 35S:AP1-GR ap1 cal pFUL:FUL-GFP plants were collected to identify meristem-specific protein complexes of FUL, and stage 12 - 16 pistils of pFUL:FUL-GFP ful-1 plants were collected for the pistil-specific FUL protein complexes. Protein complexes were isolated by immunoprecipitation (IP) using anti-GFP antibodies and protein identification was performed using LC-MS/MS, followed by label-free protein quantification.

2023-03-30 | PXD037091 | Pride

The Intronic Structure Variation of Rapeseed BnaC3.LEAFY Regulates the Timing of Inflorescence Formation and Flowering

Project description:Rapeseed (Brassica napus L.) is a globally significant oil-producing crop, and its structural variations (SVs) are fundamental to the enhancement and domestication of important agronomic traits. However, the effects of SVs on agronomic traits in allotetraploid rapeseed are still largely unexplored. Here, we conducted a whole-genome identification of SVs based on 300 re-sequenced rapeseed accessions and found 42,384 high-quality SVs consisted of 34,442 deletions, 6,653 insertions, 828 duplications and 461 inversions. Onset of inflorescence formation and subsequent flower opening at the proper time is crucial for successful propagation. To uncover significant SVs associated with inflorescence development, we performed genome-wide association study based on SVs (SV-GWAS) and identified seven significant SVs. Through analysis of each SV and referencing previous studies, we explored the SV in the second intron of LEAFY on Chromosome C3 (BnaC3.LFY), which is one of homologs of Arabidopsis floral identification gene LFY (AtLFY). BnaC3.LFY Hap1 is significantly related to early inflorescence development due to increased gene expression of BnaC3.LFY. By the CRISPR/Cas9 application in the wild-type spring accession Westar, multiple deletions in intron 2 region of BnaC3.LFY were received and the phenotype of delayed flowering opening was observed. Additionally, we discovered the conserved function of the second intron in Arabidopsis. This study demonstrates the whole-genome layout of SVs in Brassica napus genomes and highlights the conserved role of the second intron of BnaC3.LFY in influencing the timing of inflorescence formation and flower opening, with significant agronomic implications.

2025-06-25 | GSE285115 | GEO

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