All-Year High IAA and ABA Contents in Rhizome Buds May Contribute to Natural Four-Season Shooting in Woody Bamboo Cephalostachyum pingbianense
To explore the regulation mechanism of endogenous phytohormones on rhizome bud germination in Cephalostachyum pingbianense, the contents of IAA, ABA, GA, and CTK in seven above- and under-ground bamboo structure components were determined using enzyme-linked immunosorbent assays (ELISA). The results showed that a higher content of IAA, GA, and CTK all year was found in above-ground components and dormant rhizome buds. Meanwhile, a higher ABA content in young shoots and a lower ABA content in the culm base and dormant rhizome buds were detected during the peak period of shooting. The amounts of emerging shoots and the grown bamboo culms were positively correlated with the content of IAA and the ratio of IAA/ABA and (IAA + CTK + GA)/ABA, while they were negatively correlated with the ratio of CTK/IAA in dormant rhizome buds. The all-year high contents of IAA (19-31 ng/g) and ABA (114-144 ng/g) in rhizome buds, as well as interactions among four hormones, may be the key physiological mechanisms to maintain rhizome bud germination throughout the year in C. pingbianense. As C. pingbianense is a special bamboo species of multi-season shoot sprouting, the above results may supplement scientific data for a comprehensive understanding of physiological mechanisms within the bamboo subfamily.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:13 |
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| Enthalten in: |
Plants (Basel, Switzerland) - 13(2024), 3 vom: 30. Jan. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Mao, Wei [VerfasserIn] |
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| Links: |
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| Themen: |
ABA |
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| Anmerkungen: |
Date Revised 12.02.2024 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.3390/plants13030410 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM368274373 |
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| 245 | 1 | 0 | |a All-Year High IAA and ABA Contents in Rhizome Buds May Contribute to Natural Four-Season Shooting in Woody Bamboo Cephalostachyum pingbianense |
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| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a To explore the regulation mechanism of endogenous phytohormones on rhizome bud germination in Cephalostachyum pingbianense, the contents of IAA, ABA, GA, and CTK in seven above- and under-ground bamboo structure components were determined using enzyme-linked immunosorbent assays (ELISA). The results showed that a higher content of IAA, GA, and CTK all year was found in above-ground components and dormant rhizome buds. Meanwhile, a higher ABA content in young shoots and a lower ABA content in the culm base and dormant rhizome buds were detected during the peak period of shooting. The amounts of emerging shoots and the grown bamboo culms were positively correlated with the content of IAA and the ratio of IAA/ABA and (IAA + CTK + GA)/ABA, while they were negatively correlated with the ratio of CTK/IAA in dormant rhizome buds. The all-year high contents of IAA (19-31 ng/g) and ABA (114-144 ng/g) in rhizome buds, as well as interactions among four hormones, may be the key physiological mechanisms to maintain rhizome bud germination throughout the year in C. pingbianense. As C. pingbianense is a special bamboo species of multi-season shoot sprouting, the above results may supplement scientific data for a comprehensive understanding of physiological mechanisms within the bamboo subfamily | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a ABA | |
| 650 | 4 | |a Cephalostachyum pingbianense | |
| 650 | 4 | |a IAA | |
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| 650 | 4 | |a endogenous hormones | |
| 650 | 4 | |a rhizome bud | |
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| 700 | 1 | |a Cheng, Qian |e verfasserin |4 aut | |
| 700 | 1 | |a Liang, Ning |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Lianchun |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Hanqi |e verfasserin |4 aut | |
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