Shoot Elongation
Shoot Elongation - Related Videos
02:35
Transcription Elongation Factors
0 Views •
2020
Transcription elongation is a dynamic process that alters depending upon the sequence heterogeneity of the DNA being transcribed. Hence, it is not surprising that the elongation complex's composition also varies along the way while transcribing a gene. The transcription elongation is regulated via pausing of RNA polymerase on several occasions during transcription. In bacteria, these halts are necessary because the transcription of DNA into mRNA is coupled to the translation of that mRNA into a...
02:35
Transcription Elongation Factors
0 Views •
2023
Transcription elongation is a dynamic process that alters depending upon the sequence heterogeneity of the DNA being transcribed. Hence, it is not surprising that the elongation complex's composition also varies along the way while transcribing a gene. The transcription elongation is regulated via pausing of RNA polymerase on several occasions during transcription. In bacteria, these halts are necessary because the transcription of DNA into mRNA is coupled to the translation of that mRNA into a...
10:46
Novel Metrics to Characterize Embryonic Elongation of the Nematode Caenorhabditis elegans
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Cited by 3 •
2016
Here we detail protocols specifically designed to monitor morphogenic defects that occur during early and late phases of embryonic elongation of the nematode Caenorhabditis elegans. Ultimately, these protocols are designed to identify genes that regulate these phases and to characterize their differential requirements along the antero-posterior axis of the embryo.
03:48
Primary and Secondary Growth in Roots and Shoots
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2026
Vascular plants, which account for over 90% of the Earth’s vegetation, all undergo primary growth—which lengthens roots and shoots. Many land plants, notably woody plants, also undergo secondary growth—which thickens roots and shoots.Primary and secondary growth can occur simultaneously in a plant. While primary growth occurs in newer plant regions, secondary growth transpires in regions that have completed primary growth. There are overlaps and distinctions between root growth and shoot growth.
07:21
Deep Fluorescence Observation in Rice Shoots via Clearing Technology
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2022
The present protocol describes a clearing technique for rice shoots, which are difficult to prepare for internal structural observations owing to the hard, thick, or layered nature of the tissues. This method facilitates continuous and deep fluorescence observations, even in adult rice plants.
FAQs
The increase in length depends on a coordinated sequence: cells divide near the shoot tip, and the resulting cells later expand. This organization links activity at the growing tip with extension farther along the young shoot. Separating these phases helps biologists interpret whether a change in elongation reflects altered cell production, altered expansion, or both.
Auxin and gibberellin act as regulatory signals rather than simply serving as structural parts of the shoot. The overview identifies both hormones as regulators of elongation, so experiments can examine how hormonal regulation changes stem growth. Comparing elongation under different hormone-related conditions can connect developmental control with visible differences in shoot length and plant form.
Light functions as an environmental signal that can influence elongation and plant architecture. This relationship is especially relevant to shade avoidance, in which growth responses help position shoots and leaves under changing light conditions. Studying elongation alongside light conditions therefore connects external signals with the way plants adjust growth and maintain access to light.
Researchers can treat change in shoot length as a measurable growth outcome and relate it to the conditions under which shoots develop. Such measurements allow comparisons among hormonal, light-related, or other growth conditions when those conditions are defined consistently. The resulting data connect a visible developmental trait with regulation by hormones and environmental signals.
In seedlings, elongation measurements provide a way to follow early development and changes in plant architecture. They can reveal how growth conditions or regulatory signals affect the positioning of young shoots and leaves for light capture. The same observations also help identify responses associated with shade avoidance, making elongation useful for linking development with environmental response.
Agricultural studies use elongation measurements to investigate crop stature, lodging resistance, and growth optimization. Crop stature describes the overall size or height pattern that develops as shoots extend, while lodging resistance concerns maintaining an upright crop. Relating elongation to these outcomes helps researchers evaluate growth conditions and hormonal regulation in efforts to support productivity.