TABLE 1.
Isopentenyladenine (iP) and trans-zeatin (tZ) N7- and N9-glucosides characteristics observed in dicotyledonous and monocotyledonous plants.
| Arabidopsis thaliana (tobacco, zucchini, soya) (dicotyledonous) | |||||
| iP N7-GLUCOSIDE | tZ N7-GLUCOSIDE | ||||
| Content in seedlings | Highest, iP7N >> CKs | Wang et al., 2011; Šimura et al., 2018; Hošek et al., 2020 | Content in seedlings | Medium high | Wang et al., 2011; Šimura et al., 2018; Hošek et al., 2020 |
| CKX substrate | No | Galuszka et al., 2007 | CKX substrate | No | Galuszka et al., 2007 |
| Conversion to base | No | Wang et al., 2011; Šimura et al., 2018; Hošek et al., 2020 | Conversion to base | Yes | Hošek et al., 2020 |
| Localization | Apoplast, vacuole, (chloroplast) | Benková et al., 1999; Jiskrová et al., 2016 | Localization | Apoplast, vacuole, (chloroplast) | Benková et al., 1999; Jiskrová et al., 2016 |
| iP N9-GLUCOSIDE | tZ N9-GLUCOSIDE | ||||
| Content in seedlings | High, iP9N < iP7N | Hošek et al., 2020 | Content in seedlings | Medium high | Hošek et al., 2020 |
| CKX substrate | Yes | Galuszka et al., 2007 | CKX substrate | Yes | Galuszka et al., 2007 |
| Conversion to base | No | Hošek et al., 2020 | Conversion to base | Yes | Hošek et al., 2020 |
| Localization | Apoplast, vacuole, (chloroplast) | Benková et al., 1999; Jiskrová et al., 2016 | Localization | Apoplast, vacuole, (chloroplast) | Benková et al., 1999; Jiskrová et al., 2016 |
| Maize (barley, oat, wheat) (monocotyledonous) | |||||
| iP N7-GLUCOSIDE | tZ N7-GLUCOSIDE | ||||
| Content in seedlings | – | – | Content in seedlings | – | – |
| CKX substrate | No | Zalabák et al., 2014 | CKX substrate | No | Zalabák et al., 2014 |
| Conversion to base | – | – | Conversion to base | No | Filipi et al., 2012 |
| Localization | (Apoplast, chloroplast) | Benková et al., 1999; Jiskrová et al., 2016 | Localization | (Apoplast, chloroplast) | Benková et al., 1999; Jiskrová et al., 2016 |
| iP N9-GLUCOSIDE | tZ N9-GLUCOSIDE | ||||
| Content in seedlings | Medium | Vyroubalová et al., 2009; Hluska et al., 2016 | Content in seedlings | Medium | Vyroubalová et al., 2009; Hluska et al., 2016 |
| CKX substrate | Yes | Zalabák et al., 2014 | CKX substrate | Yes | Zalabák et al., 2014 |
| Conversion to base | – | – | Conversion to base | Yes | Filipi et al., 2012 |
| Localization | (Apoplast, chloroplast) | Benková et al., 1999; Jiskrová et al., 2016 | Localization | (Apoplast, chloroplast) | Benková et al., 1999; Jiskrová et al., 2016 |