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The effects of different types of sugars on vascular cell diffentiation in a tissue culture system, VISUAL

ABSTRACT: We established a novel in vitro tissue culture system (named VISUAL), in which xylem and phloem differentiation can be induced with Arabidopsis thaliana cotyledons To investigate the effects of differenet sugars in VISUAL, we performed GeneChip analysis .

ORGANISM(S): Arabidopsis thaliana

PROVIDER: GSE223284 | GEO | 2023/05/16

REPOSITORIES: GEO

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Cell-sorting analysis with SEOR1pro::SEOR1-YFP in a novel in vitro tissue culture system, VISUAL

Project description:We established a novel in vitro tissue culture system (named VISUAL), in which xylem and phloem differentiation can be induced with Arabidopsis thaliana cotyledons To isolate phloem-specific genes in VISUAL, we performed GeneChip analysis after cell-sorting experiments with SEOR1pro::SEOR1-YFP.

2016-05-25 | GSE80027 | GEO

Six-hour interval time-course expression data during VISUAL

Project description:We used in vitro tissue culture system (named VISUAL), in which xylem and phloem differentiation can be induced with Arabidopsis thaliana cotyledons To investigate temporal gene expression profiles during ectopic vascular cell defferentiaction processes, we performed GeneChip analysis using VISUAL.

2021-05-19 | GSE171548 | GEO

Comparison between WT and apl in a novel in vitro tissue culture system, VISUAL

Project description:We established a novel in vitro tissue culture system (named VISUAL), in which xylem and phloem differentiation can be induced with Arabidopsis thaliana cotyledons To compare gene expression profiles between WT and apl during vascular development, we performed GeneChip analysis using VISUAL.

2016-05-25 | GSE80026 | GEO

Comparison between WT and bes1 in an in vitro tissue culture system, VISUAL

Project description:We have previously established an in vitro tissue culture system (named VISUAL; Kondo et al., 2016), in which xylem and phloem differentiation can be induced with Arabidopsis thaliana cotyledons To compare gene expression profiles between WT and bes1 during vascular development, we performed GeneChip analysis using VISUAL.

2018-02-07 | GSE110199 | GEO

Comparison among samples subjected to a novel in vitro tissue culture system, VISUAL-CC

Project description:We established a novel in vitro tissue culture system (named VISUAL-CC), in which phloem companion cell (CC) differentiation can be induced with Arabidopsis thaliana cotyledons. To compare gene expression profiles between VISUAL and VISUAL-CC, we conducted GeneChip analysis using two different in vitro cultures. CC-S means a sample that strongly induces CC differentiation. CC-M means a sample that moderately induces CC differentiation. V means a VISUAL sample, that does not induce CC differentiation at all.

2020-03-31 | GSE141037 | GEO

Poplar tissue types 2

Project description:Global gene expression pattern of phloem and xylem tissue were determined using a Nimblegen microarray based on JGI v1.1 gene models. Xylem tissue from both Populus trichocarpa Nisqually-1 and Populus tremula X Populus alba hybrid were used in the study. Xylem tissue: Three biological replicates were hybridized to three arrays Phloem tissue: Two biological replicates were hybridized to two arrays

2010-08-01 | E-GEOD-21485 | biostudies-arrayexpress

Poplar tissue types 2

2010-08-01 | GSE21485 | GEO

Vascular rays mediate radial assimilate transport in tuberous roots of Manihot esculenta

Project description:Cassava (Manihot esculenta) is one of the most important staple food crops worldwide. Its starchy tuberous roots supply over 800 million people with carbohydrates. Yet, surprisingly little is known about the processes involved in filling of those vital storage organs. A better understanding of cassava carbohydrate allocation and starch storage is key to improve storage root yield. In this work, we studied cassava morphology and phloem sap flow from source to sink using transgenic pAtSUC2::GFP plants, the phloem tracers esculin and 5(6)-carboxyfluorescein diacetate (CFDA), as well as several staining techniques. We show that cassava performs apoplasmic phloem loading in source leaves and symplasmic unloading into phloem parenchyma cells of tuberous roots. We demonstrate that vascular rays play an important role in radial transport from the phloem to xylem parenchyma cells in tuberous roots. Furthermore, enzymatic and proteomic measurements of storage root tissues confirmed high abundance and activity of enzymes involved in the sucrose synthase-mediated pathway and indicated that starch is stored most efficiently in the outer xylem layers of tuberous roots. Our findings represent a first basis for biotechnological approaches aimed at improved phloem loading and enhanced carbohydrate allocation and storage in order to increase tuberous root yield of cassava.

2019-07-08 | PXD014001 | Pride

Cell types and molecular architecture of the Octopus bimaculoides visual system

Project description:Cephalopods have a remarkable visual system, with a camera-type eye, high acuity vision, and a wide range of sophisticated visual behaviors. However, the cephalopod brain is organized dramatically differently from that of vertebrates, as well as other invertebrates, and little is known regarding the cell types and molecular determinants of their visual system organization beyond neuroanatomical descriptions. Here we present a comprehensive single-cell molecular atlas of the octopus optic lobe, which is the primary visual processing structure in the cephalopod brain. We combined single-cell RNA sequencing with RNA fluorescence in situ hybridization to both identify putative molecular cell types and determine their anatomical and spatial organization within the optic lobe. Our results reveal six major neuronal cell classes identified by neurotransmitter/neuropeptide usage, in addition to non-neuronal and immature neuronal populations. Moreover, we find that additional markers divide these neuronal classes into subtypes with distinct anatomical localizations, revealing cell type diversity and a detailed laminar organization within the optic lobe. We also delineate the immature neurons within this continuously growing tissue into subtypes defined by evolutionarily conserved fate specification genes as well as novel cephalopod- and octopus- specific genes. Together, these findings outline the organizational logic of the octopus visual system, based on functional determinants, laminar identity, and developmental markers/pathways. The resulting atlas presented here delineates the “parts list” of the neural circuits used for vision in octopus, providing a platform for investigations into the development and function of the octopus visual system as well as the evolution of visual processing.

2022-09-04 | GSE212528 | GEO

Protein Expression in TW Formation

Project description:Tangential sections of 30 µm thickness were taken across the secondary phloem and developing secondary xylem, sections were then pooled to represent the tissues from specific developmental stages. Phloem (P) comprises 3 sections, the cambium (C) - 2 sections, the radial expansion zone (E) - 4 sections, the first to third xylem development zones (X1-X3) - 3 sections each, and the forth to sixth xylem development zones (X4-X6) - 6 sections each.

2017-06-23 | PXD005715 | Pride

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