Browse
Submit Data
Databases
API
Help

Dataset Information

0 Views

0 Connections

0 Citations

0 Reanalyses

0 Downloads

Omics score: 0

19Jan2018_Suping_LCM_TomatoHeatPollen_protein only

ABSTRACT: Heat stress is a major challenge for crop production. During the reproduction stage, pollen development is the most sensitive process to abnormal environmental conditions. In this project, we have developed a heat treatment system for tomato where plants produce a significantly lower number of pollens and the germination rate of those pollens was also very low. The size of the flower buds and pollen developmental stages were examined under confocal microscope. Pollen cells at different developmental stages were collected from flower buds at corresponding sizes using LCM. The single cell population proteomics analysis was used to identify proteome changes in a distinct group of cells. This information was used to determine the function of proteins that are associated with heat stress on cellular processes/functions during pollen development.

INSTRUMENT(S): LTQ Orbitrap

ORGANISM(S): Bemisia Sp. Unknown_th_13_12_s.lycopersicum

TISSUE(S): Plant Cell, Pollen

SUBMITTER: Ted Thannhauser

LAB HEAD: Theodore W. Thannhauser

PROVIDER: PXD010218 | Pride | 2022-02-23

REPOSITORIES: Pride

ACCESS DATA

Json Xml

Similar Datasets

Identification of heat induced proteins in young tomato flower buds

Project description:Tomato flowering and fruit set require an optimal temperature of 25/22 ± 2˚C (day/night). When the air temperature reaches to above the optimal range (higher than 30/26˚C; day/night), only a small number of flower buds would develop into mature flowers and produce a reduced number of pollen. This project used the iodoTMT proteomics analysis method to identify heat-induced proteomes in these tomato flower buds.

2022-03-03 | PXD012160 | Pride

Heat-induced proteomes in tomato pollen mother cells

Project description:Tomato pollen production and viability is highly vulnerable to higher temperature. Hot summers with temperature reaching above 32°C can disrupt production of viable pollens and fruit set, resulting in yield loss. In recent years, temperature above 35-38oC has become a norm during mid-summer with potential adverse impacts on the production of tomatoes and many other crop species. Pollens are developed through the microsporogenesis and micro-gametogenesis stages. The most heat sensitive period is from the meiotic process of the microsporocytes, at the young microspore stage (uninucleate stage of microspore) to during late pollen development (pollen mitosis). This project studied the heat-induced proteomes in microsporocyte, also called pollen mother cells (PMC). Homogenous PMC samples were collected from cross-sectioned frozen fresh anther tissues of tomato ‘Maxifort’ using laser capture microdissection (LCM). Tandem mass tag (TMT) proteomics analysis was conducted to identify proteomics changes related to heat tolerance during pollen development.

2022-04-07 | PXD018915 | Pride

Heat-stress of maturing microspores derived from wild type and starch-less mutant plants of Nicotiana sylvestris

Project description:Pollen development is one of the most heat-sensitive developmental stages in a wide range of crops. Our longer-term goal is to understand the mechanism how starch metabolism in maturing pollen grains of the Solanaceae family contributes to maintaining higher pollen quality under heat-stress conditions. The specific aim of the suggested proposal is to characterize N. sylvestris WT and mutant (starch-deficient) transcriptomes during microgametogenesis under ambient and heat-stress conditions. Expression profiles of maturing microspores derived from flower buds at developmental stage of 4 to 2 days before flower opening will be obtained. Pollen was derived from WT and mutant plants exposed to either ambient or heat-stress conditions (exposing the plants to 45oC for 2.5 hours). Keywords: Loop design

2008-02-13 | GSE10489 | GEO

LCM-quantitative proteomics analysis of Al-sensitive tomato root cells

Project description:Aluminum toxicity in acid soil is a major stress to plant growth. The primary target is in root-tips where the epidermal and outer cortex layers of cells in the root transition zone area are more sensitive to the toxic ions. This project used laser capture microdissection (LCM) technology to isolate these Al-sensitive cells. Tandem mass tag (TMT) proteomics was used to identify Al- induced proteomes. The information was used to determine functions of protein changes in response to Al toxicity in these Al-sensitive root cells.

2019-11-07 | PXD010459 | Pride

Proteomics studies of outer and inner cellular layers of tomato root-tips for Al stress

Project description:Excess levels of Al3+ become highly harmful to plant roots. The epidermal and outer cortical layers of root-tips experience more severe damages than the inner tissues from Al toxicity. This project used laser capture microdissection (LCM) technology to isolate the outer and inner cell layers of cells in root-tips. Tomato "MicroTom" plants were grown in hydroponic solution supplemented with Al. Seeds derived from plants previously exposed to four generations of Al-treated solutions were considered stress-acclimated, these seeds were named G4Al+. Seeds harvested from soil-grown plants were also used, these seeds were named G0 seeds. Tandem mass tag (TMT) proteomics was used to identify differential proteomics responses among cells localized at different spaces in root-tips and those between the stress-acclimated and non-acclimated plants.

2022-02-14 | PXD021994 | Pride

Al-induced root proteomics changes in stress-acclimated tomato plants

Project description:Excess levels of Al3+ become highly harmful to plant roots as the toxic ions bind to the surface of root-tips. Plants can acquire tolerance to stress after multiple generations of exposure to stress conditions. After four consecutive generations of Al treatments (G4Al+ seeds), tomato plants appeared more tolerant to the stress condition. This project used laser capture microdissection (LCM) technology to isolate the Al-sensitive epidermal and outer cortical cells of root-tips. Tandem mass tag (TMT) proteomics analysis was conducted to identify proteomics changes related to the physiological properties in root growth under Al treated conditions.

2022-02-14 | PXD018234 | Pride

Proteomic analysis of the early development of the Phalaenopsis amabilis flower bud under low temperature induction

Project description:Phalaenopsis amabilis, one of the most important flowers in the current international flower market, is a plant that undergoes vernalization and requires low temperature treatment for flowering. There have been few reports on the proteomic analysis of the development of flower buds. In this study, by using isobaric tags for relative and absolute quantification (iTRAQ), 4096 differentially expressed proteins were identified in P. amabilis under low temperature treatment, of which 42 were associated with early floral induction, and 18 were verified by mass spectrometry multi-reaction monitoring (MRM). Among the proteins associated with the vernalization pathway, PEQU_11434 (glycine-rich RNA-binding protein GRP1A-like) and PEQU_11045 (UDP-N-acetylglucosamine diphosphorylase) were upregulated compared to their expression in control flower buds. It was therefore inferred that O-GlcNAc glycosylation was involved in the posttranscriptional modification of VRN1 (API homolog) and that the GRP2 protein (glycine-rich RNA-binding protein) was glycosylated to relieve binding to the VRN1 mRNA precursor to promote the expression of VRN1, which initiates floral development. Furthermore, phytochromes A (PEQU_13449, PEQU_35378), B (PEQU_09249) and C (PEQU_41401) were downregulated under low temperature treatment compared to their expression in control flower buds, suggesting that they could repress the expression of the VRN2 gene and thus release its repression of VRN3 to enable the high-level expression of FTPEQU_19304 (FT, VRN3 homolog), which promotes VRN1 expression and then stimulates flowering.

2020-03-20 | PXD013908 | Pride

An RNA-seq transcriptome analysis of floral buds of an interspecific Brassica hybrid between B. carinata and B. napus

Project description:Using the Illumina HiSeq 2000 platform, 39,598; 32,403and 42,208 genes were identified in flower buds of B. carinata cv.W29, B. napus cv. Zhongshuang 11 and their hybrids, respectively. The differentially expressed genes (DEGs) were significantly enriched in pollen wall assembly, pollen exine formation, pollen development, pollen tube growth, pollination, gene transcription, macromolecule methylation and translation, which might be associated with impaired fertility in the F1 hybrid. These results will shed light on the mechanisms underlying the low fertility of the interspecific hybrids and expand our knowledge of interspecific hybridization.

2016-11-05 | GSE63088 | GEO

Arabidopsis thaliana Wild-type vs. mutant (PcG)

Project description:Transcriptional profiling of Arabidopsis wild-type (Col0) control flower buds or seedlings with corresponding mutant flower buds or seedlings is performed using Aligent's Whole Arabidopsis Gene Expression Microarray (G2519F, V4, 4x44K).

2020-02-01 | GSE94731 | GEO

Label free SWATH proteomics reveals sex-biased proteins potentially associated with sex expression and modification in dioecious C. grandis

Project description:Dioecy is an important sexual system wherein, male and female flowers are borne on separate unisexual plants. Knowledge of sex-related differences can enhance our understanding in molecular and developmental processes leading to unisexual flower development. Coccinia grandis is a dioecious species belonging to Cucurbitaceae, a family well-known for diverse sexual systems. Male and female plants of C. grandis have 22A+XY and 22A+XX chromosomes respectively. Previously, we have reported a gynomonoecious form (GyM) (22A+XX) of C. grandis bearing morphologically hermaphrodite flowers (GyM-H) and female flowers (GyM-F). Also, we showed that foliar spray of silver nitrate on female C. grandis plant induces development of morphologically hermaphrodite buds (Ag-H) despite the absence of Y chromosome. To identify sex-related differences, total protein from the flower buds of male, female, GyM-H and Ag-H of C. grandis at early and middle stages of development were analysed by a powerful label-free proteomics approach on ABSCIEX Triple TOF 5600 platform.

2019-07-29 | PXD011064 | Pride

OmicsDI is part of the ELIXIR infrastructure

OmicsDI is an Elixir interoperability service. Learn more ›

OmicsDI Databases

PRIDE
PeptideAtlas
MassIVE
JPOST Repository
Physiome Model Repository

EGA
EVA
ENA
LINCS
PAXDB
Cell Collective

MetaboLights
Metabolomics Workbench
MetabolomeExpress
GNPS
BioModels
FAIRDOMHub

ArrayExpress
dbGaP
ExpressionAtlas
GEO
NODE

Information

Databases
Help
API
Contact us
Code on GitHub
Terms of use
Submit Data