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Literature summary for 3.2.1.26 extracted from
- Function and regulation of plant invertases: sweet sensations (2004), Trends Plant Sci., 9, 606-613.
Activating Compound
| Activating Compound | Comment | Organism | Structure |
|---|---|---|---|
| additional information | brassinisteroids specifically induce the cell wall-bound isozyne CW in suspension cultured cells | Solanum lycopersicum | |
| additional information | induction of gene Irv2 in response to water stress in leaves | Zea mays |
Cloned(Commentary)
| Cloned (Comment) | Organism |
|---|---|
| DNA and amino acid sequence determination, map-based cloning of soluble isozyme | Solanum lycopersicum |
| expression of cell wall-bound isozyme Cin1 in transgenic tobacco plants leads to delayed senescence with the recombinant enzyme substituting cytokinin in function | Oxybasis rubra |
| expression of the enzyme in Vicia narbonensis maturing embryos | Saccharomyces cerevisiae |
Protein Variants
| Protein Variants | Comment | Organism |
|---|---|---|
| additional information | construction of transgenic plants: tissue-specific suppression of cell wall-bound isozyme Inv-CW or Nin88 by antisense expression leads to a developmental block during early stages of pollen development, the phenotype can be rescued by external supply of sucrose or glucose, expression of Chenopodium rubrum cell wall-bound isozyme Cin1 in transgenic tobacco plants leads to delayed senescence with the recombinant enzyme substituting cytokinin in function | Nicotiana tabacum |
| additional information | maize plant mutants miniature-1, mn-1, are deficient in cell wall-bound isozyme Inv-CW and show a defective development of endosperm in kernels, overview | Zea mays |
Localization
| Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|
| apoplast | - |
Vicia faba | 48046 | - |
| apoplast | - |
Hordeum vulgare | 48046 | - |
| apoplast | - |
Zea mays | 48046 | - |
| apoplast | - |
Nicotiana tabacum | 48046 | - |
| apoplast | - |
Solanum lycopersicum | 48046 | - |
| apoplast | - |
Oxybasis rubra | 48046 | - |
| cell wall | cell wall-bound isozyme Cin1, the isozyme shows tissue-specific co-expression with hexose transporters | Oxybasis rubra | 5618 | - |
| cell wall | cell wall-bound isozyme CW, the isozyme shows tissue-specific co-expression with hexose transporters | Vicia faba | 5618 | - |
| cell wall | cell wall-bound isozyme CW, the isozyme shows tissue-specific co-expression with hexose transporters | Hordeum vulgare | 5618 | - |
| cell wall | cell wall-bound isozyme CW, the isozyme shows tissue-specific co-expression with hexose transporters | Zea mays | 5618 | - |
| cell wall | cell wall-bound isozyme CW, the isozyme shows tissue-specific co-expression with hexose transporters | Nicotiana tabacum | 5618 | - |
| cell wall | cell wall-bound isozyme CW, the isozyme shows tissue-specific co-expression with hexose transporters | Solanum lycopersicum | 5618 | - |
| cytoplasm | alkaline or neutral isozymes | Vicia faba | 5737 | - |
| cytoplasm | alkaline or neutral isozymes | Hordeum vulgare | 5737 | - |
| cytoplasm | alkaline or neutral isozymes | Zea mays | 5737 | - |
| cytoplasm | alkaline or neutral isozymes | Nicotiana tabacum | 5737 | - |
| cytoplasm | alkaline or neutral isozymes | Solanum lycopersicum | 5737 | - |
| cytoplasm | alkaline or neutral isozymes | Oxybasis rubra | 5737 | - |
| extracellular | - |
Vicia faba | - |
- |
| extracellular | - |
Hordeum vulgare | - |
- |
| extracellular | - |
Zea mays | - |
- |
| extracellular | - |
Nicotiana tabacum | - |
- |
| extracellular | - |
Solanum lycopersicum | - |
- |
| extracellular | - |
Oxybasis rubra | - |
- |
| additional information | isozymes with different subcellular localizations | Vicia faba | - |
- |
| additional information | isozymes with different subcellular localizations | Hordeum vulgare | - |
- |
| additional information | isozymes with different subcellular localizations | Zea mays | - |
- |
| additional information | isozymes with different subcellular localizations | Nicotiana tabacum | - |
- |
| additional information | isozymes with different subcellular localizations | Solanum lycopersicum | - |
- |
| additional information | isozymes with different subcellular localizations | Oxybasis rubra | - |
- |
| vacuole | acidic or neutral isozymes | Vicia faba | 5773 | - |
| vacuole | acidic or neutral isozymes | Hordeum vulgare | 5773 | - |
| vacuole | acidic or neutral isozymes | Zea mays | 5773 | - |
| vacuole | acidic or neutral isozymes | Nicotiana tabacum | 5773 | - |
| vacuole | acidic or neutral isozymes | Solanum lycopersicum | 5773 | - |
| vacuole | acidic or neutral isozymes | Oxybasis rubra | 5773 | - |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| additional information | Oxybasis rubra | the cell wall-bound isozyme Cin1 shows cytokinin-like function in leaf senescence, overview, the isozymes have different functions, e.g. the vacuolar isozyme is responsible for control of sugar composition in fruits and storage organs, for osmoregulation and cell enlargement, and response to drought stress, hypoxia, wounding, and gravitropism, the extracellular isozyme is involved in sucrose partitioning, and response to wounding and pathogen infection, several regulation mechanisms, overview | ? | - |
? |  |
| additional information | Zea mays | the isozymes have different functions, e.g. the vacuolar isozyme is responsible for control of sugar composition in fruits and storage organs, for osmoregulation and cell enlargement, and response to drought stress, hypoxia, wounding, and gravitropism, the extracellular isozyme is involved in sucrose partitioning, and response to wounding and pathogen infection, several regulation mechanisms, overview | ? | - |
? | |
| additional information | Nicotiana tabacum | the isozymes have different functions, e.g. the vacuolar isozyme is responsible for control of sugar composition in fruits and storage organs, for osmoregulation and cell enlargement, and response to drought stress, hypoxia, wounding, and gravitropism, the extracellular isozyme is involved in sucrose partitioning, and response to wounding and pathogen infection, several regulation mechanisms, overview | ? | - |
? | |
| additional information | Solanum lycopersicum | the isozymes have different functions, e.g. the vacuolar isozyme is responsible for control of sugar composition in fruits and storage organs, for osmoregulation and cell enlargement, and response to drought stress, hypoxia, wounding, and gravitropism, the extracellular isozyme is involved in sucrose partitioning, and response to wounding and pathogen infection, several regulation mechanisms, overview | ? | - |
? | |
| additional information | Vicia faba | the isozymes have different functions, e.g. the vacuolar isozyme is responsible for control of sugar composition in fruits and storage organs, for osmoregulation and cell enlargement, and response to drought stress, hypoxia, wounding, and gravitropism, the extracellular isozyme is involved in sucrose partitioning, and response to wounding and pathogen infection, several regulation mechanisms, overview, the cell wall-bound isozyme is involved in establishing a higher sink strength in young seeds at the site of assimilate unloading into the apoplast | ? | - |
? | |
| additional information | Hordeum vulgare | the isozymes have different functions, e.g. the vacuolar isozyme is responsible for control of sugar composition in fruits and storage organs, for osmoregulation and cell enlargement, and response to drought stress, hypoxia, wounding, and gravitropism, the extracellular isozyme is involved in sucrose partitioning, and response to wounding and pathogen infection, several regulation mechanisms, overview, the cell wall-bound isozyme is involved in nucellar projection in the endospermal transfer cell layer | ? | - |
? | |
| sucrose + H2O | Vicia faba | - |
D-glucose + D-fructose | - |
? | |
| sucrose + H2O | Saccharomyces cerevisiae | - |
D-glucose + D-fructose | - |
? | |
| sucrose + H2O | Hordeum vulgare | - |
D-glucose + D-fructose | - |
? | |
| sucrose + H2O | Zea mays | - |
D-glucose + D-fructose | - |
? | |
| sucrose + H2O | Nicotiana tabacum | - |
D-glucose + D-fructose | - |
? | |
| sucrose + H2O | Solanum lycopersicum | - |
D-glucose + D-fructose | - |
? | |
| sucrose + H2O | Oxybasis rubra | - |
D-glucose + D-fructose | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Hordeum vulgare | - |
- |
- |
| Nicotiana tabacum | - |
- |
- |
| Oxybasis rubra | - |
- |
- |
| Saccharomyces cerevisiae | - |
- |
- |
| Solanum lycopersicum | - |
- |
- |
| Vicia faba | - |
- |
- |
| Zea mays | - |
gene Irv2 | - |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| cell suspension culture | - |
Solanum lycopersicum | - |
| embryo | the ability of the maturing embryo to maintain mitotic activity is mediated by metabolic signals of the enzyme from the seed coat | Vicia faba | - |
| endosperm | localization of the cell wall-bound isozyme in the transfer cell layer | Hordeum vulgare | - |
| fruit | - |
Solanum lycopersicum | - |
| hypocotyl | - |
Solanum lycopersicum | - |
| kernel | the vacuolar isozyme Inv-V is important in kernel development, overview | Zea mays | - |
| leaf | - |
Zea mays | - |
| leaf | - |
Nicotiana tabacum | - |
| pollen | cell wall-bound isozyme Inv-CW has an essential function in carbohydrate supply | Nicotiana tabacum | - |
| seed | - |
Hordeum vulgare | - |
| seed | expression of isozyme Inv-CW in the thin-walled parenchyma of the seed coat, the site of assimilate unloading into the apoplast | Vicia faba | - |
| seedling | - |
Zea mays | - |
| seedling | - |
Solanum lycopersicum | - |
| tapetum | cell wall-bound isozyme Inv-CW has an essential function in carbohydrate supply | Nicotiana tabacum | - |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| additional information | the cell wall-bound isozyme Cin1 shows cytokinin-like function in leaf senescence, overview, the isozymes have different functions, e.g. the vacuolar isozyme is responsible for control of sugar composition in fruits and storage organs, for osmoregulation and cell enlargement, and response to drought stress, hypoxia, wounding, and gravitropism, the extracellular isozyme is involved in sucrose partitioning, and response to wounding and pathogen infection, several regulation mechanisms, overview | Oxybasis rubra | ? | - |
? | |
| additional information | the isozymes have different functions, e.g. the vacuolar isozyme is responsible for control of sugar composition in fruits and storage organs, for osmoregulation and cell enlargement, and response to drought stress, hypoxia, wounding, and gravitropism, the extracellular isozyme is involved in sucrose partitioning, and response to wounding and pathogen infection, several regulation mechanisms, overview | Zea mays | ? | - |
? | |
| additional information | the isozymes have different functions, e.g. the vacuolar isozyme is responsible for control of sugar composition in fruits and storage organs, for osmoregulation and cell enlargement, and response to drought stress, hypoxia, wounding, and gravitropism, the extracellular isozyme is involved in sucrose partitioning, and response to wounding and pathogen infection, several regulation mechanisms, overview | Nicotiana tabacum | ? | - |
? | |
| additional information | the isozymes have different functions, e.g. the vacuolar isozyme is responsible for control of sugar composition in fruits and storage organs, for osmoregulation and cell enlargement, and response to drought stress, hypoxia, wounding, and gravitropism, the extracellular isozyme is involved in sucrose partitioning, and response to wounding and pathogen infection, several regulation mechanisms, overview | Solanum lycopersicum | ? | - |
? | |
| additional information | the isozymes have different functions, e.g. the vacuolar isozyme is responsible for control of sugar composition in fruits and storage organs, for osmoregulation and cell enlargement, and response to drought stress, hypoxia, wounding, and gravitropism, the extracellular isozyme is involved in sucrose partitioning, and response to wounding and pathogen infection, several regulation mechanisms, overview, the cell wall-bound isozyme is involved in establishing a higher sink strength in young seeds at the site of assimilate unloading into the apoplast | Vicia faba | ? | - |
? | |
| additional information | the isozymes have different functions, e.g. the vacuolar isozyme is responsible for control of sugar composition in fruits and storage organs, for osmoregulation and cell enlargement, and response to drought stress, hypoxia, wounding, and gravitropism, the extracellular isozyme is involved in sucrose partitioning, and response to wounding and pathogen infection, several regulation mechanisms, overview, the cell wall-bound isozyme is involved in nucellar projection in the endospermal transfer cell layer | Hordeum vulgare | ? | - |
? | |
| sucrose + H2O | - |
Vicia faba | D-glucose + D-fructose | - |
? | |
| sucrose + H2O | - |
Saccharomyces cerevisiae | D-glucose + D-fructose | - |
? | |
| sucrose + H2O | - |
Hordeum vulgare | D-glucose + D-fructose | - |
? | |
| sucrose + H2O | - |
Zea mays | D-glucose + D-fructose | - |
? | |
| sucrose + H2O | - |
Nicotiana tabacum | D-glucose + D-fructose | - |
? | |
| sucrose + H2O | - |
Solanum lycopersicum | D-glucose + D-fructose | - |
? | |
| sucrose + H2O | - |
Oxybasis rubra | D-glucose + D-fructose | - |
? | |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| Cin1 | - |
Oxybasis rubra |
| Inv-CW | - |
Vicia faba |
| Inv-CW | - |
Hordeum vulgare |
| Inv-CW | - |
Nicotiana tabacum |
| Inv-CW | - |
Solanum lycopersicum |
| Inv-V | - |
Zea mays |
| invertase | - |
Vicia faba |
| invertase | - |
Saccharomyces cerevisiae |
| invertase | - |
Hordeum vulgare |
| invertase | - |
Zea mays |
| invertase | - |
Nicotiana tabacum |
| invertase | - |
Solanum lycopersicum |
| invertase | - |
Oxybasis rubra |
| Nin88 | - |
Nicotiana tabacum |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| additional information | - |
the isozymes with different subcellular localization show different pH optima | Vicia faba |
| additional information | - |
the isozymes with different subcellular localization show different pH optima | Hordeum vulgare |
| additional information | - |
the isozymes with different subcellular localization show different pH optima | Zea mays |
| additional information | - |
the isozymes with different subcellular localization show different pH optima | Nicotiana tabacum |
| additional information | - |
the isozymes with different subcellular localization show different pH optima | Solanum lycopersicum |
| additional information | - |
the isozymes with different subcellular localization show different pH optima | Oxybasis rubra |
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