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Related Concept Videos

Genetic Screens02:46

Genetic Screens

Genetic screens are tools used to identify genes and mutations responsible for phenotypes of interest. Genetic screens help identify individuals or a group of people at risk of developing  genetic diseases and help them with early intervention, targeted therapy, and reproductive options.
Forward genetic screens
Forward or “classical” genetic screens involve creating random mutations in an organism’s DNA using radiation, mutagens, or insertion of additional bases, which result in visible changes...
Light Acquisition02:16

Light Acquisition

In order to produce glucose, plants need to capture sufficient light energy. Many modern plants have evolved leaves specialized for light acquisition. Leaves can be only millimeters in width or tens of meters wide, depending on the environment. Due to competition for sunlight, evolution has driven the evolution of increasingly larger leaves and taller plants, to avoid shading by their neighbors with contaminant elaboration of root architecture and mechanisms to transport water and nutrients.
Monohybrid Crosses01:20

Monohybrid Crosses

Overview
Dihybrid Crosses01:18

Dihybrid Crosses

Overview
Trihybrid Crosses02:27

Trihybrid Crosses

Trihybrid Crosses
Some of Mendel’s crosses examined three pairs of contrasting characteristics. Such a cross is called a trihybrid cross. A trihybrid cross is a combination of three individual monohybrid crosses. For example, plant height (tall vs. short), seed shape (round vs. wrinkled), and seed color (yellow vs. green).
The F1 generation plants of a trihybrid cross are heterozygous for all three traits and produce eight gametes. Upon self-fertilization, these gametes have an equal chance to...

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Imaging and Analysis for Quantifying Maize (Zea mays) Abiotic Stress Phenotypes
06:41

Imaging and Analysis for Quantifying Maize (Zea mays) Abiotic Stress Phenotypes

Published on: March 28, 2025

Searching and mining visually observed phenotypes of maize mutants.

Chi-Ren Shyu1, Jaturon Harnsomburana, Jason Green

  • 1Computer Science Department, University of Missouri, Columbia, MO 65211, USA. shyu@diglib1.cecs.missouri.edu

Journal of Bioinformatics and Computational Biology
|January 4, 2008
PubMed
Summary

This study proposes a framework to manage maize mutant phenotypes, linking visual traits to genetic maps. This will help geneticists identify genes and environmental factors causing observed phenotypes.

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Area of Science:

  • Plant genetics
  • Bioinformatics
  • Maize research

Background:

  • Maize mutants are crucial for understanding plant biology, biochemistry, and physiology.
  • Current resources lack integrated data for managing and querying visually observed mutant phenotypes.
  • Understanding genotype-phenotype relationships requires comprehensive genetic and physical maps, phenotype classification tools, and biochemical pathway knowledge.

Purpose of the Study:

  • To develop a robust framework for managing visually observed maize mutant phenotypes.
  • To mine correlations between visual characteristics and genetic maps.
  • To discover cross-species conservation of visual and genetic patterns.

Main Methods:

  • Developing a knowledge base for visually observed phenotypes.
  • Implementing methods for mining genotype-phenotype correlations.
  • Facilitating cross-species comparative analysis of genetic and visual patterns.

Main Results:

  • A proposed framework for integrated phenotype and genotype data management.
  • Enhanced capabilities for querying complex genetic and phenotypic information.
  • Potential for discovering novel genotype-phenotype relationships and conserved patterns.

Conclusions:

  • The developed framework will significantly advance maize genetics research by enabling efficient querying of mutant information.
  • This approach aims to answer complex geneticist questions, such as identifying causative genes and environmental factors for observed phenotypes.
  • The research contributes to a more comprehensive understanding of maize biology and facilitates comparative genomics.