Comparative expression analysis of senescence gene CsNAP and B-class floral development gene CsAP3 during different stages of flower development in Saffron (Crocus sativus L.)
Crocus sativus, a monocot triploid species belonging to the Iridaceae family, is cultivated for its red stigmatic lobes of the carpel that constitute saffron. Flower development has been extensively studied in different plants. Different floral developmental pathways have been deciphered in many plants. In Crocus sativus, flower is the most important part and understanding the pathway underlying the flower development can pave the way for new avenues to improve its productivity and quality. The combination of class A genes (including APETALA1; CsAP1 and APETALA2; CsAP2), class B genes (including APETALA3; CsAP3 and PISTILLATA; CsPI) and class C genes (including AGAMOUS; CsAG) that are active in each whorl, determines the identity of the organs that will later develop in that whorl. CsAP3 is a class B homeotic gene which promotes petal and stamen formation and has a very important role in flower development. It also activates other genes playing pivotal role in flower development. It has been earlier reported that CsAP3 gene has direct role in activation of CsNAP gene which promotes senescence in plants. Present work was focused on study of relative gene expression changes of CsAP3 and CsNAP gene during different stages of flower development. CsAP3 gene expression was found maximum during late-preanthesis stages of stigma development. Expression increases from stage 5 to stage 6 of flower development and then reduces again from stage 6 to stage 7. CsNAP gene had moderate expression during stage 3 to stage 4 transition and its expression increased abruptly from stage 6 to stage 7 of flower development. There is no direct concordance in the expression of CsAP3 and CsNAP gene expression in saffron. We may conclude that some other factor(s) may be responsible for initiation of CsNAP expression and CsAP3 gene may directly/indirectly be involved in regulating the factors responsible for CsNAP activation.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2015 |
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| Erschienen: |
2015 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:21 |
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| Enthalten in: |
Physiology and molecular biology of plants : an international journal of functional plant biology - 21(2015), 3 vom: 13. Juli, Seite 459-63 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wafai, Asrar H [VerfasserIn] |
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| Links: |
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| Themen: |
CsAP3 |
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| Anmerkungen: |
Date Completed 11.08.2015 Date Revised 29.09.2020 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1007/s12298-015-0307-1 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
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| 245 | 1 | 0 | |a Comparative expression analysis of senescence gene CsNAP and B-class floral development gene CsAP3 during different stages of flower development in Saffron (Crocus sativus L.) |
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| 520 | |a Crocus sativus, a monocot triploid species belonging to the Iridaceae family, is cultivated for its red stigmatic lobes of the carpel that constitute saffron. Flower development has been extensively studied in different plants. Different floral developmental pathways have been deciphered in many plants. In Crocus sativus, flower is the most important part and understanding the pathway underlying the flower development can pave the way for new avenues to improve its productivity and quality. The combination of class A genes (including APETALA1; CsAP1 and APETALA2; CsAP2), class B genes (including APETALA3; CsAP3 and PISTILLATA; CsPI) and class C genes (including AGAMOUS; CsAG) that are active in each whorl, determines the identity of the organs that will later develop in that whorl. CsAP3 is a class B homeotic gene which promotes petal and stamen formation and has a very important role in flower development. It also activates other genes playing pivotal role in flower development. It has been earlier reported that CsAP3 gene has direct role in activation of CsNAP gene which promotes senescence in plants. Present work was focused on study of relative gene expression changes of CsAP3 and CsNAP gene during different stages of flower development. CsAP3 gene expression was found maximum during late-preanthesis stages of stigma development. Expression increases from stage 5 to stage 6 of flower development and then reduces again from stage 6 to stage 7. CsNAP gene had moderate expression during stage 3 to stage 4 transition and its expression increased abruptly from stage 6 to stage 7 of flower development. There is no direct concordance in the expression of CsAP3 and CsNAP gene expression in saffron. We may conclude that some other factor(s) may be responsible for initiation of CsNAP expression and CsAP3 gene may directly/indirectly be involved in regulating the factors responsible for CsNAP activation | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a CsAP3 | |
| 650 | 4 | |a CsNAP gene | |
| 650 | 4 | |a Homeotic gene | |
| 650 | 4 | |a Real Time PCR | |
| 650 | 4 | |a Saffron | |
| 650 | 4 | |a Stigma development | |
| 700 | 1 | |a Bukhari, Shoiab |e verfasserin |4 aut | |
| 700 | 1 | |a Mokhdomi, Taseem A |e verfasserin |4 aut | |
| 700 | 1 | |a Amin, Asif |e verfasserin |4 aut | |
| 700 | 1 | |a Wani, Zubair |e verfasserin |4 aut | |
| 700 | 1 | |a Hussaini, Amjad |e verfasserin |4 aut | |
| 700 | 1 | |a Mir, Javid I |e verfasserin |4 aut | |
| 700 | 1 | |a Qadri, Raies A |e verfasserin |4 aut | |
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