Identification and characterization of flowering genes in kiwifruit: sequence conservation and role in kiwifruit flower development

Background Flower development in kiwifruit (Actinidia spp.) is initiated in the first growing season, when undifferentiated primordia are established in latent shoot buds. These primordia can differentiate into flowers in the second growing season, after the winter dormancy period and upon accumulat...
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Autor*in:	Varkonyi-Gasic, Erika [verfasserIn] Moss, Sarah M Voogd, Charlotte Wu, Rongmei Lough, Robyn H Wang, Yen-Yi Hellens, Roger P

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2011

Schlagwörter:	Floral Organ Floral Meristem Floral Transition Floral Organ Identity Floral Meristem Identity

Anmerkung:	© Varkonyi-Gasic et al; licensee BioMed Central Ltd. 2011

Übergeordnetes Werk:	Enthalten in: BMC plant biology - London : BioMed Central, 2001, 11(2011), 1 vom: 27. Apr.
Übergeordnetes Werk:	volume:11 ; year:2011 ; number:1 ; day:27 ; month:04

Links:	Volltext

DOI / URN:	10.1186/1471-2229-11-72

Katalog-ID:	SPR027286681

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520			\|a Background Flower development in kiwifruit (Actinidia spp.) is initiated in the first growing season, when undifferentiated primordia are established in latent shoot buds. These primordia can differentiate into flowers in the second growing season, after the winter dormancy period and upon accumulation of adequate winter chilling. Kiwifruit is an important horticultural crop, yet little is known about the molecular regulation of flower development. Results To study kiwifruit flower development, nine MADS-box genes were identified and functionally characterized. Protein sequence alignment, phenotypes obtained upon overexpression in Arabidopsis and expression patterns suggest that the identified genes are required for floral meristem and floral organ specification. Their role during budbreak and flower development was studied. A spontaneous kiwifruit mutant was utilized to correlate the extended expression domains of these flowering genes with abnormal floral development. Conclusions This study provides a description of flower development in kiwifruit at the molecular level. It has identified markers for flower development, and candidates for manipulation of kiwifruit growth, phase change and time of flowering. The expression in normal and aberrant flowers provided a model for kiwifruit flower development.
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Indexfelder

author_variant	e v g evg s m m sm smm c v cv r w rw r h l rh rhl y y w yyw r p h rp rph
matchkey_str	article:14712229:2011----::dniiainncaatrztoofoeigeeikwfuteuneosrainnr
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publishDate	2011
allfields	10.1186/1471-2229-11-72 doi (DE-627)SPR027286681 (SPR)1471-2229-11-72-e DE-627 ger DE-627 rakwb eng Varkonyi-Gasic, Erika verfasserin aut Identification and characterization of flowering genes in kiwifruit: sequence conservation and role in kiwifruit flower development 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Varkonyi-Gasic et al; licensee BioMed Central Ltd. 2011 Background Flower development in kiwifruit (Actinidia spp.) is initiated in the first growing season, when undifferentiated primordia are established in latent shoot buds. These primordia can differentiate into flowers in the second growing season, after the winter dormancy period and upon accumulation of adequate winter chilling. Kiwifruit is an important horticultural crop, yet little is known about the molecular regulation of flower development. Results To study kiwifruit flower development, nine MADS-box genes were identified and functionally characterized. Protein sequence alignment, phenotypes obtained upon overexpression in Arabidopsis and expression patterns suggest that the identified genes are required for floral meristem and floral organ specification. Their role during budbreak and flower development was studied. A spontaneous kiwifruit mutant was utilized to correlate the extended expression domains of these flowering genes with abnormal floral development. Conclusions This study provides a description of flower development in kiwifruit at the molecular level. It has identified markers for flower development, and candidates for manipulation of kiwifruit growth, phase change and time of flowering. The expression in normal and aberrant flowers provided a model for kiwifruit flower development. Floral Organ (dpeaa)DE-He213 Floral Meristem (dpeaa)DE-He213 Floral Transition (dpeaa)DE-He213 Floral Organ Identity (dpeaa)DE-He213 Floral Meristem Identity (dpeaa)DE-He213 Moss, Sarah M aut Voogd, Charlotte aut Wu, Rongmei aut Lough, Robyn H aut Wang, Yen-Yi aut Hellens, Roger P aut Enthalten in BMC plant biology London : BioMed Central, 2001 11(2011), 1 vom: 27. Apr. (DE-627)335489060 (DE-600)2059868-3 1471-2229 nnns volume:11 year:2011 number:1 day:27 month:04 https://dx.doi.org/10.1186/1471-2229-11-72 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2011 1 27 04
spelling	10.1186/1471-2229-11-72 doi (DE-627)SPR027286681 (SPR)1471-2229-11-72-e DE-627 ger DE-627 rakwb eng Varkonyi-Gasic, Erika verfasserin aut Identification and characterization of flowering genes in kiwifruit: sequence conservation and role in kiwifruit flower development 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Varkonyi-Gasic et al; licensee BioMed Central Ltd. 2011 Background Flower development in kiwifruit (Actinidia spp.) is initiated in the first growing season, when undifferentiated primordia are established in latent shoot buds. These primordia can differentiate into flowers in the second growing season, after the winter dormancy period and upon accumulation of adequate winter chilling. Kiwifruit is an important horticultural crop, yet little is known about the molecular regulation of flower development. Results To study kiwifruit flower development, nine MADS-box genes were identified and functionally characterized. Protein sequence alignment, phenotypes obtained upon overexpression in Arabidopsis and expression patterns suggest that the identified genes are required for floral meristem and floral organ specification. Their role during budbreak and flower development was studied. A spontaneous kiwifruit mutant was utilized to correlate the extended expression domains of these flowering genes with abnormal floral development. Conclusions This study provides a description of flower development in kiwifruit at the molecular level. It has identified markers for flower development, and candidates for manipulation of kiwifruit growth, phase change and time of flowering. The expression in normal and aberrant flowers provided a model for kiwifruit flower development. Floral Organ (dpeaa)DE-He213 Floral Meristem (dpeaa)DE-He213 Floral Transition (dpeaa)DE-He213 Floral Organ Identity (dpeaa)DE-He213 Floral Meristem Identity (dpeaa)DE-He213 Moss, Sarah M aut Voogd, Charlotte aut Wu, Rongmei aut Lough, Robyn H aut Wang, Yen-Yi aut Hellens, Roger P aut Enthalten in BMC plant biology London : BioMed Central, 2001 11(2011), 1 vom: 27. Apr. (DE-627)335489060 (DE-600)2059868-3 1471-2229 nnns volume:11 year:2011 number:1 day:27 month:04 https://dx.doi.org/10.1186/1471-2229-11-72 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2011 1 27 04
allfields_unstemmed	10.1186/1471-2229-11-72 doi (DE-627)SPR027286681 (SPR)1471-2229-11-72-e DE-627 ger DE-627 rakwb eng Varkonyi-Gasic, Erika verfasserin aut Identification and characterization of flowering genes in kiwifruit: sequence conservation and role in kiwifruit flower development 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Varkonyi-Gasic et al; licensee BioMed Central Ltd. 2011 Background Flower development in kiwifruit (Actinidia spp.) is initiated in the first growing season, when undifferentiated primordia are established in latent shoot buds. These primordia can differentiate into flowers in the second growing season, after the winter dormancy period and upon accumulation of adequate winter chilling. Kiwifruit is an important horticultural crop, yet little is known about the molecular regulation of flower development. Results To study kiwifruit flower development, nine MADS-box genes were identified and functionally characterized. Protein sequence alignment, phenotypes obtained upon overexpression in Arabidopsis and expression patterns suggest that the identified genes are required for floral meristem and floral organ specification. Their role during budbreak and flower development was studied. A spontaneous kiwifruit mutant was utilized to correlate the extended expression domains of these flowering genes with abnormal floral development. Conclusions This study provides a description of flower development in kiwifruit at the molecular level. It has identified markers for flower development, and candidates for manipulation of kiwifruit growth, phase change and time of flowering. The expression in normal and aberrant flowers provided a model for kiwifruit flower development. Floral Organ (dpeaa)DE-He213 Floral Meristem (dpeaa)DE-He213 Floral Transition (dpeaa)DE-He213 Floral Organ Identity (dpeaa)DE-He213 Floral Meristem Identity (dpeaa)DE-He213 Moss, Sarah M aut Voogd, Charlotte aut Wu, Rongmei aut Lough, Robyn H aut Wang, Yen-Yi aut Hellens, Roger P aut Enthalten in BMC plant biology London : BioMed Central, 2001 11(2011), 1 vom: 27. Apr. (DE-627)335489060 (DE-600)2059868-3 1471-2229 nnns volume:11 year:2011 number:1 day:27 month:04 https://dx.doi.org/10.1186/1471-2229-11-72 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2011 1 27 04
allfieldsGer	10.1186/1471-2229-11-72 doi (DE-627)SPR027286681 (SPR)1471-2229-11-72-e DE-627 ger DE-627 rakwb eng Varkonyi-Gasic, Erika verfasserin aut Identification and characterization of flowering genes in kiwifruit: sequence conservation and role in kiwifruit flower development 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Varkonyi-Gasic et al; licensee BioMed Central Ltd. 2011 Background Flower development in kiwifruit (Actinidia spp.) is initiated in the first growing season, when undifferentiated primordia are established in latent shoot buds. These primordia can differentiate into flowers in the second growing season, after the winter dormancy period and upon accumulation of adequate winter chilling. Kiwifruit is an important horticultural crop, yet little is known about the molecular regulation of flower development. Results To study kiwifruit flower development, nine MADS-box genes were identified and functionally characterized. Protein sequence alignment, phenotypes obtained upon overexpression in Arabidopsis and expression patterns suggest that the identified genes are required for floral meristem and floral organ specification. Their role during budbreak and flower development was studied. A spontaneous kiwifruit mutant was utilized to correlate the extended expression domains of these flowering genes with abnormal floral development. Conclusions This study provides a description of flower development in kiwifruit at the molecular level. It has identified markers for flower development, and candidates for manipulation of kiwifruit growth, phase change and time of flowering. The expression in normal and aberrant flowers provided a model for kiwifruit flower development. Floral Organ (dpeaa)DE-He213 Floral Meristem (dpeaa)DE-He213 Floral Transition (dpeaa)DE-He213 Floral Organ Identity (dpeaa)DE-He213 Floral Meristem Identity (dpeaa)DE-He213 Moss, Sarah M aut Voogd, Charlotte aut Wu, Rongmei aut Lough, Robyn H aut Wang, Yen-Yi aut Hellens, Roger P aut Enthalten in BMC plant biology London : BioMed Central, 2001 11(2011), 1 vom: 27. Apr. (DE-627)335489060 (DE-600)2059868-3 1471-2229 nnns volume:11 year:2011 number:1 day:27 month:04 https://dx.doi.org/10.1186/1471-2229-11-72 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2011 1 27 04
allfieldsSound	10.1186/1471-2229-11-72 doi (DE-627)SPR027286681 (SPR)1471-2229-11-72-e DE-627 ger DE-627 rakwb eng Varkonyi-Gasic, Erika verfasserin aut Identification and characterization of flowering genes in kiwifruit: sequence conservation and role in kiwifruit flower development 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Varkonyi-Gasic et al; licensee BioMed Central Ltd. 2011 Background Flower development in kiwifruit (Actinidia spp.) is initiated in the first growing season, when undifferentiated primordia are established in latent shoot buds. These primordia can differentiate into flowers in the second growing season, after the winter dormancy period and upon accumulation of adequate winter chilling. Kiwifruit is an important horticultural crop, yet little is known about the molecular regulation of flower development. Results To study kiwifruit flower development, nine MADS-box genes were identified and functionally characterized. Protein sequence alignment, phenotypes obtained upon overexpression in Arabidopsis and expression patterns suggest that the identified genes are required for floral meristem and floral organ specification. Their role during budbreak and flower development was studied. A spontaneous kiwifruit mutant was utilized to correlate the extended expression domains of these flowering genes with abnormal floral development. Conclusions This study provides a description of flower development in kiwifruit at the molecular level. It has identified markers for flower development, and candidates for manipulation of kiwifruit growth, phase change and time of flowering. The expression in normal and aberrant flowers provided a model for kiwifruit flower development. Floral Organ (dpeaa)DE-He213 Floral Meristem (dpeaa)DE-He213 Floral Transition (dpeaa)DE-He213 Floral Organ Identity (dpeaa)DE-He213 Floral Meristem Identity (dpeaa)DE-He213 Moss, Sarah M aut Voogd, Charlotte aut Wu, Rongmei aut Lough, Robyn H aut Wang, Yen-Yi aut Hellens, Roger P aut Enthalten in BMC plant biology London : BioMed Central, 2001 11(2011), 1 vom: 27. Apr. (DE-627)335489060 (DE-600)2059868-3 1471-2229 nnns volume:11 year:2011 number:1 day:27 month:04 https://dx.doi.org/10.1186/1471-2229-11-72 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2031 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2061 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2190 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 11 2011 1 27 04
language	English
source	Enthalten in BMC plant biology 11(2011), 1 vom: 27. Apr. volume:11 year:2011 number:1 day:27 month:04
sourceStr	Enthalten in BMC plant biology 11(2011), 1 vom: 27. Apr. volume:11 year:2011 number:1 day:27 month:04
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Floral Organ Floral Meristem Floral Transition Floral Organ Identity Floral Meristem Identity
isfreeaccess_bool	true
container_title	BMC plant biology
authorswithroles_txt_mv	Varkonyi-Gasic, Erika @@aut@@ Moss, Sarah M @@aut@@ Voogd, Charlotte @@aut@@ Wu, Rongmei @@aut@@ Lough, Robyn H @@aut@@ Wang, Yen-Yi @@aut@@ Hellens, Roger P @@aut@@
publishDateDaySort_date	2011-04-27T00:00:00Z
hierarchy_top_id	335489060
id	SPR027286681
language_de	englisch
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author	Varkonyi-Gasic, Erika
spellingShingle	Varkonyi-Gasic, Erika misc Floral Organ misc Floral Meristem misc Floral Transition misc Floral Organ Identity misc Floral Meristem Identity Identification and characterization of flowering genes in kiwifruit: sequence conservation and role in kiwifruit flower development
authorStr	Varkonyi-Gasic, Erika
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topic_title	Identification and characterization of flowering genes in kiwifruit: sequence conservation and role in kiwifruit flower development Floral Organ (dpeaa)DE-He213 Floral Meristem (dpeaa)DE-He213 Floral Transition (dpeaa)DE-He213 Floral Organ Identity (dpeaa)DE-He213 Floral Meristem Identity (dpeaa)DE-He213
topic	misc Floral Organ misc Floral Meristem misc Floral Transition misc Floral Organ Identity misc Floral Meristem Identity
topic_unstemmed	misc Floral Organ misc Floral Meristem misc Floral Transition misc Floral Organ Identity misc Floral Meristem Identity
topic_browse	misc Floral Organ misc Floral Meristem misc Floral Transition misc Floral Organ Identity misc Floral Meristem Identity
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title	Identification and characterization of flowering genes in kiwifruit: sequence conservation and role in kiwifruit flower development
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title_full	Identification and characterization of flowering genes in kiwifruit: sequence conservation and role in kiwifruit flower development
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author_browse	Varkonyi-Gasic, Erika Moss, Sarah M Voogd, Charlotte Wu, Rongmei Lough, Robyn H Wang, Yen-Yi Hellens, Roger P
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author-letter	Varkonyi-Gasic, Erika
doi_str_mv	10.1186/1471-2229-11-72
title_sort	identification and characterization of flowering genes in kiwifruit: sequence conservation and role in kiwifruit flower development
title_auth	Identification and characterization of flowering genes in kiwifruit: sequence conservation and role in kiwifruit flower development
abstract	Background Flower development in kiwifruit (Actinidia spp.) is initiated in the first growing season, when undifferentiated primordia are established in latent shoot buds. These primordia can differentiate into flowers in the second growing season, after the winter dormancy period and upon accumulation of adequate winter chilling. Kiwifruit is an important horticultural crop, yet little is known about the molecular regulation of flower development. Results To study kiwifruit flower development, nine MADS-box genes were identified and functionally characterized. Protein sequence alignment, phenotypes obtained upon overexpression in Arabidopsis and expression patterns suggest that the identified genes are required for floral meristem and floral organ specification. Their role during budbreak and flower development was studied. A spontaneous kiwifruit mutant was utilized to correlate the extended expression domains of these flowering genes with abnormal floral development. Conclusions This study provides a description of flower development in kiwifruit at the molecular level. It has identified markers for flower development, and candidates for manipulation of kiwifruit growth, phase change and time of flowering. The expression in normal and aberrant flowers provided a model for kiwifruit flower development. © Varkonyi-Gasic et al; licensee BioMed Central Ltd. 2011
abstractGer	Background Flower development in kiwifruit (Actinidia spp.) is initiated in the first growing season, when undifferentiated primordia are established in latent shoot buds. These primordia can differentiate into flowers in the second growing season, after the winter dormancy period and upon accumulation of adequate winter chilling. Kiwifruit is an important horticultural crop, yet little is known about the molecular regulation of flower development. Results To study kiwifruit flower development, nine MADS-box genes were identified and functionally characterized. Protein sequence alignment, phenotypes obtained upon overexpression in Arabidopsis and expression patterns suggest that the identified genes are required for floral meristem and floral organ specification. Their role during budbreak and flower development was studied. A spontaneous kiwifruit mutant was utilized to correlate the extended expression domains of these flowering genes with abnormal floral development. Conclusions This study provides a description of flower development in kiwifruit at the molecular level. It has identified markers for flower development, and candidates for manipulation of kiwifruit growth, phase change and time of flowering. The expression in normal and aberrant flowers provided a model for kiwifruit flower development. © Varkonyi-Gasic et al; licensee BioMed Central Ltd. 2011
abstract_unstemmed	Background Flower development in kiwifruit (Actinidia spp.) is initiated in the first growing season, when undifferentiated primordia are established in latent shoot buds. These primordia can differentiate into flowers in the second growing season, after the winter dormancy period and upon accumulation of adequate winter chilling. Kiwifruit is an important horticultural crop, yet little is known about the molecular regulation of flower development. Results To study kiwifruit flower development, nine MADS-box genes were identified and functionally characterized. Protein sequence alignment, phenotypes obtained upon overexpression in Arabidopsis and expression patterns suggest that the identified genes are required for floral meristem and floral organ specification. Their role during budbreak and flower development was studied. A spontaneous kiwifruit mutant was utilized to correlate the extended expression domains of these flowering genes with abnormal floral development. Conclusions This study provides a description of flower development in kiwifruit at the molecular level. It has identified markers for flower development, and candidates for manipulation of kiwifruit growth, phase change and time of flowering. The expression in normal and aberrant flowers provided a model for kiwifruit flower development. © Varkonyi-Gasic et al; licensee BioMed Central Ltd. 2011
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title_short	Identification and characterization of flowering genes in kiwifruit: sequence conservation and role in kiwifruit flower development
url	https://dx.doi.org/10.1186/1471-2229-11-72
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author2	Moss, Sarah M Voogd, Charlotte Wu, Rongmei Lough, Robyn H Wang, Yen-Yi Hellens, Roger P
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Identification and characterization of flowering genes in kiwifruit: sequence conservation and role in kiwifruit flower development

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