基于多个基因组的简单序列重复是一种有效和成功的方法,用于基因定型和分类不同的朱果生殖质资源
Bin Li1, Noor Muhammad1, Shufeng Zhang1
1College of Horticulture, Hebei Agricultural University, Baoding 071000, China.
Plants (Basel, Switzerland)
|August 12, 2023
概括
一种新的基于多个基因组的SSR识别 (MGB-SSR) 方法快速识别了朱 (Ziziphus jujuba) 生殖质中的遗传多样性. 这种方法使用12个简单序列重复 (SSR) 标记成功分类了249种基因型,有助于繁殖和保护工作.
科学领域:
- 植物遗传学 植物遗传学
- 农业科学 农业科学
- 生物技术是生物技术.
背景情况:
- 朱 (Ziziphus jujuba) 是中国本土的一种重要作物,因其营养价值和在干旱地区的弹性而受到重视.
- 评估朱的遗传多样性对于保护,繁殖和改善特征至关重要,但开发简单序列重复 (SSR) 标记的传统方法效率低下.
- 现有的研究需要更快,更有效的方法来识别朱果胚胎体内的遗传变异.
研究的目的:
- 开发一种快速有效的方法来识别朱中的多态SSR标记物.
- 建立一个可靠的系统来分类和识别多样化的朱果生殖质资源.
- 为了帮助保护和繁殖项目Ziziphus jujuba.
主要方法:
- 开发了一种新的多基因组SSR识别 (MGB-SSR) 方法,使用三种朱品种的基因组.
- 使用MGB-SSR方法在朱树基因组内选多态SSR.
- 利用12个已识别的SSR原料对来对型249个不同的朱植物,并建立数字识别.
主要成果:
- 采用MGB-SSR方法,在朱树基因组中有效识别了多态SSR.
- 通过使用12个SSR标记,成功地分类了249种朱树的基因型,为每个植物创建了独特的数字ID.
- 四种SSR标志物有效地区分了三形朱的基因型,这是此类研究中的首例.
结论:
- MGB-SSR方法是一种高效的工具,用于快速发现朱中的SSR标志物.
- 这项研究首次使用12个SSR标志物成功区分了朱果的生殖质资源.
- 这些发现为分类中国朱果生殖质提供了有价值的数据,帮助研究人员和育种人员识别未知的品种.
更多相关视频
11:00Genotyping of Plant and Animal Samples without Prior DNA Purification
Published on: September 24, 2012
31.2K
07:03Establishing Pollination Requirements in Japanese Plum by Phenological Monitoring, Hand Pollinations, Fluorescence Microscopy and Molecular Genotyping
Published on: November 9, 2020
3.1K
相关概念视频
Single Nucleotide Polymorphisms-SNPs
15.3K
A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...
15.3K
Modern Molecular Taxonomy
52
Advancements in molecular biology have revolutionized the identification and characterization of bacteria, with multiple methods leveraging DNA sequencing for enhanced precision. As sequencing technologies improve and costs decline, these approaches are increasingly used in clinical, environmental, and evolutionary studies.Multilocus Sequence Typing (MLST) examines several housekeeping genes, essential chromosomal genes encoding cellular functions, to distinguish strains. Approximately...
52
Evolutionary Relationships through Genome Comparisons
5.8K
Genome comparison is one of the excellent ways to interpret the evolutionary relationships between organisms. The basic principle of genome comparison is that if two species share a common feature, it is likely encoded by the DNA sequence conserved between both species. The advent of genome sequencing technologies in the late 20th century enabled scientists to understand the concept of conservation of domains between species and helped them to deduce evolutionary relationships across diverse...
5.8K
Plant Breeding and Biotechnology
19.0K
Crop cultivation has a long history in human civilization, with records showing the cultivation of cereal plants beginning at around 8000 BC. This early plant breeding was developed primarily to provide a steady supply of food.
19.0K
Methods of Classification and Identification
37
Bacterial identification relies on a diverse array of techniques to classify and understand microorganisms, each tailored to uncover specific characteristics. Traditional morphological approaches, while still valuable, are limited for closely related or structurally simple organisms. Modern methods integrate biochemical, serological, genetic, and advanced molecular tools to achieve greater accuracy.Morphological and Biochemical TechniquesMorphological characteristics, such as cell shape and...
37
Genomics
36.5K
Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...
36.5K
