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Detection probe for phycobiont

A technology for detecting probes and symbiotic algae, which is applied in the field of oligonucleotide probes and specific probes, can solve the problems of large fluctuations in detection results, difficult operation, and small number of captured probes, so as to achieve convenient search and Realization, good probe applicability and high stability

Inactive Publication Date: 2005-08-31
OCEAN UNIV OF CHINA
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Problems solved by technology

Its main disadvantages are: first, because the length of the capture probe is only 10-30 bp, the number of capture probes that can effectively distinguish close relatives of microalgae is very small; second, it is necessary to prevent RNA degradation during the entire detection process, However, various steps such as washing and antibody reaction can easily cause RNA degradation, so the operation is difficult and the test results fluctuate greatly

Method used

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  • Detection probe for phycobiont
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Examples

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Embodiment

[0033] Example: Qualitative and quantitative detection of Symbiodinium algae by using S1 enzyme protection analysis for rRNA and sandwich hybridization technology.

[0034] In this example, the S1 enzyme protection analysis technique and the sandwich hybridization technique are combined to realize the qualitative and quantitative detection of the marine microalgae Symbiodinium sp, and the steps are as follows:

[0035] 1.1 Search for specific regions of Symbiodinium rRNA and design and synthesis of S1 enzyme protection analysis probes

[0036] By determining the 18S rRNA sequence of the ribosomal small subunit of Symbiodinium algae and performing multiple sequence comparisons with the rRNA sequences of other algae, it was found that the 1600-1700 region of the small subunit rRNA was different from other algae, and the sequence of this region was determined to be a characteristic sequence; according to Characteristic sequence design and synthesis S1 enzyme protection analysis p...

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Abstract

A detecting probe for phycobiont is disclosed. A group of probes, whose core is S1 enzyme protecting and analyzing probe, is synthesized for the particular rRNA region of phycobiont in order to quaitatively and quantitatively detect the rRNA of phycobiont. Said detecting probe includes S1 enzye protecting and analyzing probe, capture probe and signal probe or binding probe.

Description

technical field [0001] The invention relates to a group of oligonucleotide probes for algae detection, in particular to specific probes for the qualitative and quantitative detection of a symbiotic algae. It belongs to the field of nucleic acid detection. Background technique [0002] Symbiotic algae (Symbiodinium sp.) is a symbiotic dinoflagellate often found in marine invertebrates such as clams, sea anemones, jellyfish, foraminifers and reef-building corals, etc., which live symbiotically within invertebrate-microalgae The environment plays a key role. As a global environmental problem, the degradation of coral reefs has attracted increasing attention, and symbiotic algae play a vital role in obtaining sufficient nutrients for coral polyps to form a calcareous skeleton to construct coral reefs. Therefore, timely, accurate and rapid detection of the population dynamics of symbiotic algae in the marine environment, and keeping abreast of their quantity changes in the ocea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12Q1/68
Inventor 于志刚李荣秀蔡青松米铁柱甄毓
Owner OCEAN UNIV OF CHINA
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