MARC details
| 000 -LEADER |
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| fixed length control field |
02694nam a2200313Ia 4500 |
| 003 - CONTROL NUMBER IDENTIFIER |
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| control field |
MX-MdCICY |
| 005 - DATE AND TIME OF LATEST TRANSACTION |
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| control field |
20250625162430.0 |
| 040 ## - CATALOGING SOURCE |
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| Transcribing agency |
CICY |
| 090 ## - LOCALLY ASSIGNED LC-TYPE CALL NUMBER (OCLC); LOCAL CALL NUMBER (RLIN) |
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| Classification number (OCLC) (R) ; Classification number, CALL (RLIN) (NR) |
B-19435 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION |
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| fixed length control field |
250602s9999 xx |||||s2 |||| ||und|d |
| 245 10 - TITLE STATEMENT |
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| Title |
Dynamics of endogenous levels and subcellular localization of ABA and cytokinins during pollen germination in spruce and tobacco |
| 490 0# - SERIES STATEMENT |
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| Volume/sequential designation |
Protoplasma, 10.1007/s00709-022-01766-x, 2022 |
| 520 3# - SUMMARY, ETC. |
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| Summary, etc. |
We used the enzyme-linked immunosorbent assay (ELISA)to assess the level of endogenous hormones in spruce pollen, and immunolocalization and confocal microscopy to study hormone localization in spruce and tobacco pollen. During pollen activation, the levels of ABA, zeatin, and its riboside significantly decreased. After the initiation of polar growth, the levels of all cytokinins increased sharply; ABA level also increased. In dormant spruce pollen grains, zeatin and ABA were localized uniformly throughout the cytoplasm. Zeatin was not detected in the nuclei, and the antheridial cell showed higher levels than the vegetative cell; ABA signal was detected in the cytoplasm and the nuclei. In germinating pollen, both hormones were detected mainly in plastids. The similar pattern was found in growing pollen tubes; signal from ABA also had a noticeable level in the cytosol of the tube cell, and was weaker in the antheridial cell. Zeatin fluorescence, on the other hand, was more pronounced in the antheridial cell. In non-germinated grains of tobacco, zeatin was localized mainly in organelles. ABA in dormant pollen grains demonstrated uniform localization, including the nuclei and cytoplasm of both cells. After germination, zeatin was accumulated in the plasmalemma or cell wall. ABA signal in the cytoplasm decreased; in the nuclei, it remained high. In growing tubes, the strongest zeatin and ABA signals were observed at the plasma membrane. The differences in ABA and cytokinin localization between species and dynamic changes in their level in spruce pollen highlight the key spatial and temporal parameters of hormonal regulation of gymnosperm pollen germination. |
| 650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
GYMNOSPERMS |
| 650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
IMMUNOLOCALIZATION |
| 650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
PLANT HORMONES |
| 650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
PLANT REPRODUCTION |
| 650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
POLLEN GERMINATION |
| 650 14 - SUBJECT ADDED ENTRY--TOPICAL TERM |
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| Topical term or geographic name entry element |
SPRUCE |
| 700 12 - ADDED ENTRY--PERSONAL NAME |
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| Personal name |
Breygina, M. |
| 700 12 - ADDED ENTRY--PERSONAL NAME |
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| Personal name |
Voronkov, A. |
| 700 12 - ADDED ENTRY--PERSONAL NAME |
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| Personal name |
Galin, I. |
| 700 12 - ADDED ENTRY--PERSONAL NAME |
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| Personal name |
Akhiyarova, G. |
| 700 12 - ADDED ENTRY--PERSONAL NAME |
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| Personal name |
Polevova, S. |
| 700 12 - ADDED ENTRY--PERSONAL NAME |
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| Personal name |
Klimenko, E. |
| 700 12 - ADDED ENTRY--PERSONAL NAME |
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| Personal name |
Kudoyarova, G. |
| 856 40 - ELECTRONIC LOCATION AND ACCESS |
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| Uniform Resource Identifier |
<a href="https://drive.google.com/file/d/1pQklul1rS1ovgBT8ck1ew8HP4bTX-hmu/view?usp=drivesdk">https://drive.google.com/file/d/1pQklul1rS1ovgBT8ck1ew8HP4bTX-hmu/view?usp=drivesdk</a> |
| Public note |
Para ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) |
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| Source of classification or shelving scheme |
Clasificación local |
| Koha item type |
Documentos solicitados |
