Arabinose: Difference between revisions
CSV import Tags: mobile edit mobile web edit |
CSV import |
||
| Line 7: | Line 7: | ||
File:Beta-D-Arabinopyranose.svg|Beta-D-Arabinopyranose | File:Beta-D-Arabinopyranose.svg|Beta-D-Arabinopyranose | ||
</gallery> | </gallery> | ||
== Arabinose == | |||
'''Arabinose''' is a [[monosaccharide]] sugar that is found in nature, primarily in the form of a [[pentose]] sugar. It is a five-carbon sugar with the chemical formula C_H__O_. Arabinose is commonly found in [[plant]]s, particularly in the form of [[polysaccharide]]s such as [[hemicellulose]] and [[pectin]]. | |||
== Structure == | |||
Arabinose exists in two stereoisomeric forms: D-arabinose and L-arabinose. The L-form is more common in nature. The structure of arabinose is similar to that of other pentoses, with a chain of five carbon atoms, each bonded to hydroxyl groups and hydrogen atoms. The configuration of the hydroxyl groups determines the specific isomer. | |||
== Biological Role == | |||
In nature, arabinose is a component of various [[biopolymers]]. It is a constituent of [[hemicellulose]], which is a major component of the [[cell wall]]s of plants. Arabinose is also found in [[pectin]], a polysaccharide that is important in the structure of plant cell walls and is used in the food industry as a gelling agent. | |||
== Metabolism == | |||
Arabinose can be metabolized by certain [[bacteria]] and [[yeast]]s. In bacteria, the [[L-arabinose operon]] is a well-studied system that allows the organism to utilize arabinose as a source of carbon. The operon includes genes that encode enzymes necessary for the conversion of arabinose into intermediates that enter central metabolic pathways. | |||
== Industrial Applications == | |||
Arabinose is used in various industrial applications. It is utilized in the production of [[biofuels]] and as a precursor for the synthesis of other chemicals. In the food industry, arabinose is sometimes used as a low-calorie sweetener. | |||
== Related Pages == | |||
* [[Monosaccharide]] | |||
* [[Pentose]] | |||
* [[Hemicellulose]] | |||
* [[Pectin]] | |||
* [[L-arabinose operon]] | |||
{{Monosaccharides}} | |||
[[Category:Monosaccharides]] | |||
[[Category:Pentoses]] | |||
[[Category:Biochemistry]] | |||
Latest revision as of 00:39, 19 February 2025
Arabinose[edit]
-
DL-Arabinose -
Alpha-D-Arabinofuranose -
Beta-D-Arabinofuranose -
Alpha-D-Arabinopyranose -
Beta-D-Arabinopyranose
Arabinose[edit]
Arabinose is a monosaccharide sugar that is found in nature, primarily in the form of a pentose sugar. It is a five-carbon sugar with the chemical formula C_H__O_. Arabinose is commonly found in plants, particularly in the form of polysaccharides such as hemicellulose and pectin.
Structure[edit]
Arabinose exists in two stereoisomeric forms: D-arabinose and L-arabinose. The L-form is more common in nature. The structure of arabinose is similar to that of other pentoses, with a chain of five carbon atoms, each bonded to hydroxyl groups and hydrogen atoms. The configuration of the hydroxyl groups determines the specific isomer.
Biological Role[edit]
In nature, arabinose is a component of various biopolymers. It is a constituent of hemicellulose, which is a major component of the cell walls of plants. Arabinose is also found in pectin, a polysaccharide that is important in the structure of plant cell walls and is used in the food industry as a gelling agent.
Metabolism[edit]
Arabinose can be metabolized by certain bacteria and yeasts. In bacteria, the L-arabinose operon is a well-studied system that allows the organism to utilize arabinose as a source of carbon. The operon includes genes that encode enzymes necessary for the conversion of arabinose into intermediates that enter central metabolic pathways.
Industrial Applications[edit]
Arabinose is used in various industrial applications. It is utilized in the production of biofuels and as a precursor for the synthesis of other chemicals. In the food industry, arabinose is sometimes used as a low-calorie sweetener.
