STUDIES ON POLLEN AND POLLEN DISEASE
نویسندگان
چکیده
منابع مشابه
Studies on Anaphylaxis with Pollen
1. Guinea pigs injected intracutaneously and subcutaneously with extract of the pollen of burweed marsh-elder in relatively small amounts did not show anaphylactic response to intravenous shock doses of this material 3 weeks later. 2. If, however, the animals were sensitized with horse serum either before, or along with the same pollen injections, they could then be shocked after an interval of...
متن کاملValidation of Pollen Studies
Plant macrofossils and pollen play complementary roles in paleoecology. Each has its own advantages and shortcomings. Used separately, they provide valuable information about past vegetation. Used together, the two types of data can corroborate or, occasionally, challenge each other, and they can provide more detailed and refined understanding of past vegetation at multiple spatial scales. In t...
متن کاملWalnut Pollen Studies
investigations were initiated this year to develop field and laboratory viability assays for stored walnut pollen, indentify conditions suitable for in vitro pollen germination and pollen tube growth, and determine pollen tube growth rates in pistillate flowers. Results of this project will provide background information for future investigations of transmission of pollen-borne virus, factors i...
متن کاملPollen and Pollen Tube Proteomics
Germinated pollen grains form pollen tubes that accomplish rapid polarized growth within female gametophytic tissues in order to deliver the sperm cell to the ovule. This process is essential for successful plant fertilization in vivo. Pollen tubes are considered to be an ideal model system to study tip growth. A more comprehensive understanding of proteins involved in pollen development, germi...
متن کاملAllergenic pollen and pollen allergy in Europe.
The allergenic content of the atmosphere varies according to climate, geography and vegetation. Data on the presence and prevalence of allergenic airborne pollens, obtained from both aerobiological studies and allergological investigations, make it possible to design pollen calendars with the approximate flowering period of the plants in the sampling area. In this way, even though pollen produc...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1918
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)86436-5