Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A complex branched carbohydrate commonly associated with sieve areas of sieve elements.
from The Century Dictionary.
- In botany and zoology, having callosities or hard spots; callous; hardened.
from the GNU version of the Collaborative International Dictionary of English.
- adjective (Bot.) Furnished with protuberant or hardened spots.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun biochemistry A plant polysaccharide comprising glucose residues linked together through β-1,3-linkages, produced chiefly in response to wounding and infection.
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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Aniline blue staining was carried out to reveal phloem-associated callose in cotyledons and true leaves.
PLoS ONE Alerts: New Articles Margaret Pullen et al. 2010
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Merged bright-field and aniline-blue stained UV fluorescence images showing the correspondence between xylem and phloem-associated callose
PLoS ONE Alerts: New Articles Margaret Pullen et al. 2010
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To visualize callose in sieve tube elements in seedlings, aniline blue was used according to
PLoS ONE Alerts: New Articles Margaret Pullen et al. 2010
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The hyd mutants exhibit ectopic lignin and callose accumulation (Fig. S1), showing a dissociation between cell patterning and wall biochemistry.
PLoS ONE Alerts: New Articles Margaret Pullen et al. 2010
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Substantial ectopic callose deposition is found, variably associated with xylem traces; bars = 100 µm.
PLoS ONE Alerts: New Articles Margaret Pullen et al. 2010
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Mauch-Mani B (2004) β-Amionobutyric acid induced resistance against necrotrophic pathogens is based on ABA-dependent priming of callose.
PLoS ONE Alerts: New Articles Sumanti Gupta et al. 2010
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Apart from degraded chitins and glucans, callose also acts as a positive regulator of the hypersensitive response
PLoS ONE Alerts: New Articles Sumanti Gupta et al. 2010
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Conversely, in the case of compatible reactions between susceptible hosts and pathogens, β, 1-3 glucanase-induced callose degradation facilitates the absorption of nutrients by haustoria and promotes growth and sporulation
PLoS ONE Alerts: New Articles Sumanti Gupta et al. 2010
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Fig. S1A), in the hyd mutants callose accumulates ectopically, and is variably associated with xylem traces showing a lack of coordinated differentiation of the two vascular cell types (Supplementary
PLoS ONE Alerts: New Articles Margaret Pullen et al. 2010
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