Flora marker obtaining method and device, terminal and storage medium

An acquisition method and marker technology, applied in the biological field, can solve the problems of large amount of data calculation and low efficiency of data calculation speed

Active Publication Date: 2020-09-25
SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0006] The embodiment of the present application provides a method, device, terminal, and storage medium for acquiring bacterial markers, so as to solve the problem o

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  • Flora marker obtaining method and device, terminal and storage medium
  • Flora marker obtaining method and device, terminal and storage medium
  • Flora marker obtaining method and device, terminal and storage medium

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Embodiment Construction

[0028] In the following description, specific details such as specific system structures and technologies are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

[0029] It should be understood that when used in this specification and the appended claims, the term "comprising" indicates the presence of described features, integers, steps, operations, elements and / or components, but does not exclude one or more other features. , whole, step, operation, element, component and / or the presence or addition of a collection thereof.

[0030] It shou...

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Abstract

The invention is applicable to the technical field of biology, and provides a flora marker obtaining method and device, a terminal and a storage medium. The method comprises the following steps: obtaining flora sample data, wherein the flora sample data comprises abundance of N strain classification units in M flora samples, and N and M are positive integers; generating a phylogenetic tree by taking the N strain classification units as leaf nodes and taking the common ancestor of the J strain classification units in the N strain classification units as an intermediate node; and according to the direction from the root node to the leaf nodes, performing node search on the phylogenetic tree by utilizing a greedy algorithm to obtain at least one target node as the flora marker of the M florasamples. According to the scheme, the calculation complexity of high-dimensional flora sample data can be reduced, the target flora marker can be determined efficiently, and the calculation amount isreduced.

Description

technical field [0001] The application belongs to the field of biotechnology, and in particular relates to a method, device, terminal and storage medium for acquiring bacterial flora markers. Background technique [0002] Bacteria gene detection is a means of disease detection. Through the detection of samples of the distribution of flora in the human body, we can know the structure of the flora in the human body, give early warning of disease trends or find out the real cause of complex diseases. [0003] In practical applications, due to the complex structure of the bacterial population, it is difficult to analyze, and the disaster of dimensionality is prone to occur when doing machine learning predictions. Therefore, the screening of effective markers of flora is of great significance for us to explore the structure of flora and the impact of flora on human health. [0004] In the prior art, a phylogenetic tree is usually used to analyze the characteristics of the flora ...

Claims

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Application Information

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IPC IPC(8): G16B40/00G06K9/62
CPCG16B40/00G06F18/24323
Inventor 蔡云鹏陈允文
Owner SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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