Results 1 to 10 of about 11,655 (226)

CalloseMeasurer: a novel software solution to measure callose deposition and recognise spreading callose patterns

open access: yesPlant Methods, 2012
Background Quantification of callose deposits is a useful measure for the activities of plant immunity and pathogen growth by fluorescence imaging. For robust scoring of differences, this normally requires many technical and biological replicates and ...
Zhou Ji   +3 more
doaj   +2 more sources

Regulation of callose synthase activity in situ in alamethicin-permeabilized Arabidopsis and tobacco suspension cells

open access: yesBMC Plant Biology, 2009
Background The cell wall component callose is mainly synthesized at certain developmental stages and after wounding or pathogen attack. Callose synthases are membrane-bound enzymes that have been relatively well characterized in vitro using isolated ...
Rasmusson Allan G   +3 more
doaj   +1 more source

Overexpression of AtTTP affects ARF17 expression and leads to male sterility in Arabidopsis. [PDF]

open access: yesPLoS ONE, 2015
Callose synthesis is critical for the formation of the pollen wall pattern. CalS5 is thought to be the major synthethase for the callose wall. In the Arabidopsis anther, ARF17 regulates the expression of CalS5 and is the target of miR160.
Zhi-Hao Shi   +7 more
doaj   +1 more source

ROS-mediated plasmodesmal regulation requires a network of an Arabidopsis receptor-like kinase, calmodulin-like proteins, and callose synthases

open access: yesFrontiers in Plant Science, 2023
Plasmodesmata (PD) play a critical role in symplasmic communication, coordinating plant activities related to growth & development, and environmental stress responses. Most developmental and environmental stress signals induce reactive oxygen species
Minh Huy Vu   +13 more
doaj   +1 more source

Callose localization in the walls of megasporocytes and megaspores in the course of development of monospore embryo sacs

open access: yesActa Societatis Botanicorum Poloniae, 2015
The localization of callose in the cell walls of megasporocytes and megaspores was studied by means of fluorescence microscopy. It was found that the part of the meiocyte cell wall in which callose begins to appear corresponds to the region of active ...
H. Kuran
doaj   +1 more source

Induction of Callose Deposition in Tobacco (Nicotiana tabacum) by Bacterial Lipopolysaccharide Pseudomonas syringae pv. tabaci and Pseudomonas syringae pv. glycinea

open access: yesMakara Journal of Science, 2014
Lipopolysaccharide (LPS) is a major component of outer-membrane gram-negative bacteria, and it can act as a Pathogen-Associated Molecular Pattern (PAMP) for perception of pathogens by plants.
Pipit Marianingsih   +2 more
doaj   +1 more source

Silicon amendment to rice plants contributes to reduced feeding in a phloem‐sucking insect through modulation of callose deposition

open access: yesEcology and Evolution, 2018
Silicon (Si) uptake by Poaceae plants has beneficial effects on herbivore defense. Increased plant physical barrier and altered herbivorous feeding behaviors are documented to reduce herbivorous arthropod feeding and contribute to enhanced plant defense.
Lang Yang   +5 more
doaj   +1 more source

Callose (β-1,3 glucan) is essential for Arabidopsis pollen wall patterning, but not tube growth

open access: yesBMC Plant Biology, 2005
Background Callose (β-1,3 glucan) separates developing pollen grains, preventing their underlying walls (exine) from fusing. The pollen tubes that transport sperm to female gametes also contain callose, both in their walls as well as in the plugs that ...
Maruyama Daisuke   +4 more
doaj   +1 more source

Characteristics of dynamic changes of the callose in male sterile anthers of Lycium barbarum L.

open access: yesXibei zhiwu xuebao
[Objective] Callose is a beta-1, 3-bonded glucan that forms a wall structure, which occurs only in certain tissues. When degrading prematurely or delayed, it may lead to pollen abortion.
ZHOU Ting   +5 more
doaj   +1 more source

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