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Related Concept Videos

Light Acquisition02:16

Light Acquisition

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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.
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Related Experiment Video

Updated: Jul 16, 2025

Experimental Design for Laser Microdissection RNA-Seq: Lessons from an Analysis of Maize Leaf Development
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Dynamic transcriptome landscape of developing maize ear.

Xiaomeng Shen1,2, Bing Xiao3,4, Tangnur Kaderbek1,2

  • 1State Key Laboratory of Maize Bio-breeding, China Agricultural University, Beijing, 100193, P.R. China.

The Plant Journal : for Cell and Molecular Biology
|September 21, 2023
PubMed
Summary
This summary is machine-generated.

Maize ear development is crucial for grain yield. This study maps gene activity during ear growth, revealing key molecular networks and specific genes involved in maize inflorescence development.

Keywords:
Zea mays Lear developmenthigh-spatio-temporal resolution transcriptome

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Area of Science:

  • Plant Biology
  • Genomics
  • Agricultural Science

Background:

  • Maize ear architecture dictates seed number and yield.
  • Understanding ear development is vital for maize breeding.
  • Molecular networks governing ear morphogenesis are largely unknown.

Purpose of the Study:

  • To characterize the molecular networks controlling maize ear development.
  • To create a high-resolution gene activity atlas during ear morphogenesis.
  • To identify key genes and transcription factors involved in ear differentiation.

Main Methods:

  • High-spatio-temporal-resolution transcriptome analysis.
  • Collection and sequencing of 130 developing maize ear samples.
  • Bioinformatic analysis to identify gene expression patterns and networks.

Main Results:

  • Transcriptomes separated into four distinct developmental stages.
  • Identified 23,793 genes, including 1,513 transcription factors (TFs).
  • Discovered 9,714 ear-specific genes and 527 temporally specific genes, including 59 TFs.

Conclusions:

  • Generated a comprehensive gene activity atlas for maize ear development.
  • Uncovered regulatory modules and hub TFs controlling ear morphogenesis.
  • Provides foundational data for improving maize yield through targeted breeding.