Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
Chemical compound
Callose is a plant polysaccharide. Its production is due to the glucan synthase-like gene (GLS) in various places within a plant. It is produced to act as a temporary cell wall in response to stimuli such as stress or damage.[1] Callose is composed of glucose residues linked together through β-1,3-linkages, and is termed a β-glucan. It is thought to be manufactured at the cell wall by callose synthases and is degraded by β-1,3-glucanases. Callose is very important for the permeability of plasmodesmata (Pd) in plants; the plant's permeability is regulated by plasmodesmata callose (PDC). PDC is made by callose synthases and broken down by β-1,3-glucanases (BGs). The amount of callose that is built up at the plasmodesmatal neck, which is brought about by the interference of callose synthases (CalSs) and β-1,3-glucanases, determines the conductivity of the plasmodesmata.[2]
^Hine R, Martin E, eds. (2016). "Callose". A Dictionary of Biology. Oxford University Press. ISBN 978-0-19-871437-8.
^De Storme N, Geelen D (2014). "Callose homeostasis at plasmodesmata: molecular regulators and developmental relevance". Frontiers in Plant Science. 5: 138. doi:10.3389/fpls.2014.00138. PMC 4001042. PMID 24795733.
Callose is a plant polysaccharide. Its production is due to the glucan synthase-like gene (GLS) in various places within a plant. It is produced to act...
known as callose. Callose is found in cell plates during the process of cytokinesis, but as this process reaches completion the levels of callose decrease...
exchange for assisting the Inquisition in hunting down and capturing Vela Callose. Callose, the daughter of the Admiral of the Union, has attracted the attention...
that have overlapping sieve cells. Callose levels are measure in order to observe the activity of sieve cells. Callose acts as a block to the sieve pores...
subsequent infections. Wounding responses can be local, like the deposition of callose, and others are systemic, which involve a variety of hormones like jasmonic...
areas. The pores are reinforced by platelets of a polysaccharide called callose. Other parenchyma cells within the phloem are generally undifferentiated...
plate. The next component to be added is callose, which is polymerized directly at the cell plate by callose synthases. As the cell plate continues to...
microspores, which are contained by callose walls, the development of the pollen grain walls begins. The callose wall is broken down by an enzyme called...
Péron's snake-eyed skink or callose-palmed shinning-skink (Cryptoblepharus plagiocephalus) is a species of lizard in the family Scincidae. It is endemic...
thrives in calcareous soil. Also calciphile, calciphyte. Antonym: calcifuge. callose Hardened; thickened; callous. callus 1. A protruding mass of tissue 2...
multiple uses, including surgical threads. Polysaccharides also include callose or laminarin, chrysolaminarin, xylan, arabinoxylan, mannan, fucoidan and...
collagen, as the fibre stain in Masson's trichrome, as well as to reveal callose structures in plant tissues. It can also be used in other connective tissue...
assimilation. In the early 1890s he is credited with the discovery of callose, a fundamental substance found in the cell membrane of plants. Thèses présentées...
four microspores (pollen grains) are stuck together with a protein called callose.[citation needed] The root systems of most Drosera are often only weakly...
protein kinase (MAP kinase) cascade. Downstream responses of PTI include callose deposition, the oxidative burst, and transcription of defense-related genes...
cells defend against fungal attack by degrading haustoria and by producing callose and papilla. With silicon treatment, epidermal cells of wheat are less...
also initiates a range of biochemical modifications that transform the callose-rich, flexible cell plate into a cellulose-rich, stiff primary cell wall...
also function as a signaling molecule, leading to the accumulation of callose in response to treatment with chitosan (a fungal elicitor) and aphid feeding...
such as the marbled gecko, the clawless gecko, the crested dragon, the callose-palmed shining-skink and the bright crevice skink. Many frog species also...
fragrant flowers, used as perfume. Interestingly, Pandanus lacks a common callose wall around microspore tetrads during pollen development. In Yemen, they...
means they can be dispersed by water. This impermeability is caused by callose. Hence, they are often found near rivers and brooks. This species is also...
cells defend against fungal attack by degrading haustoria and by producing callose and papilla. With silicon treatment, epidermal cells are less susceptible...
studies in foodstuffs such as sausages, meat patties and other meat products Callose Gellan gum Harada T., Fujimori K., Hirose S., Masada M. (1966). "Growth...
and in the reactions of self-incompatibility, in which case sometimes callose is deposited to stop the germination of incompatible pollen. Stigmas are...
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