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231222s2000 xx ||||| 00| ||eng c |
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|a eng
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| 100 |
1 |
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|a Wang, S X
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Isolation and purification of functional total RNA from woody branches and needles of Sitka and white spruce
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| 264 |
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1 |
|c 2000
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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| 500 |
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|a Date Completed 30.03.2000
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| 500 |
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|a Date Revised 09.01.2024
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| 500 |
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|a published: Print
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|a Citation Status MEDLINE
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| 520 |
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|a The isolation of intact, functional RNA from conifer spp. is not easy, especially from those tissues that are heavily lignified and characterized by a low number of living cells. An efficient procedure for isolating RNA from combined wood and bark tissues of conifers was developed based on a protocol optimized for the extraction of RNA from pollen and one for the isolation of RNA from woody stems. This protocol does not involve the use of phenol, and no ultracentrifugation was required. In addition, the protocol overcame the problems of RNA degradation and low yield due to oxidation by polyphenolics and co-precipitation with polysaccharides, both of which are abundant components in conifer bark tissues. The isolated RNA was of high quality and undegraded as gauged by spectrophotometric readings and electrophoresis in denaturing agarose gels. Quality was further assessed through the subsequent use of the RNA in reverse transcription and RT-PCR, indicating that it could be used for a number of downstream purposes including Northern blot hybridization and cDNA library construction. Using this modified protocol, 80-150 micrograms of RNA was routinely obtained from 1 g of fresh material. This protocol was also used for the isolation of RNA from needles of spruce spp., from which 750-950 micrograms RNA per gram of starting material could routinely be obtained
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| 650 |
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4 |
|a Journal Article
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| 650 |
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4 |
|a Research Support, Non-U.S. Gov't
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| 650 |
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7 |
|a DNA Primers
|2 NLM
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| 650 |
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7 |
|a RNA, Plant
|2 NLM
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| 700 |
1 |
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|a Hunter, W
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Plant, A
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t BioTechniques
|d 1991
|g 28(2000), 2 vom: 10. Feb., Seite 292-6
|w (DE-627)NLM012627046
|x 1940-9818
|7 nnas
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| 773 |
1 |
8 |
|g volume:28
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|g month:02
|g pages:292-6
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