Cold Stress Microrna Analysis
Cold Stress Microrna Analysis - Related Videos
02:45
Responses to Heat and Cold Stress
0 Views •
2020
Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes. When the environmental dynamics fall out of the optimal limit for a given species, changes in metabolism and functioning occur – and this is defined as stress. Plants respond to stress by initiating changes in gene expression - leading to adjustments in plant...
01:22
MicroRNAs
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2019
MicroRNA (miRNA) are short, regulatory RNA transcribed from introns—non-coding regions of a gene—or intergenic regions—stretches of DNA present between genes. Several processing steps are required to form biologically active, mature miRNA. The initial transcript, called primary miRNA (pri-mRNA), base-pairs with itself forming a stem-loop structure. Within the nucleus, an endonuclease enzyme, called Drosha, shortens the stem-loop structure into hairpin-shaped pre-miRNA. After the pre-miRNA ends...
11:05
Analysis of Oxidative Stress in Zebrafish Embryos
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Cited by 97 •
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Here we report a protocol to measure oxidative stress in living zebrafish embryos. This procedure allows reactive oxygen species (ROS) detection in both whole embryo tissues and single-cell populations. This protocol will accomplish both qualitative and quantitative analyses.
07:22
Generating Homo- and Heterografts Between Watermelon and Bottle Gourd for the Study of Cold-responsive MicroRNAs
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Cited by 6 •
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Here we present a detailed protocol for efficiently making homo- and heterografts between watermelon and bottle gourd, in addition to methods of tissue sampling, data generation, and data analysis, for the investigation of cold-responsive microRNAs.
08:37
Liver Cold Storage and Transplantation in the Cold-Adaptive Daurian Ground Squirrels
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Here, we present a protocol to establish a long-term liver cold storage and transplantation model in Daurian ground squirrel (DGS), which has been technically challenging in standard rodent models.
FAQs
MicroRNAs regulate gene expression by recognizing complementary sequences in messenger RNAs. This interaction can repress translation, reducing production of the associated protein, or promote degradation of the target transcript. In cold-stressed organisms, identifying these regulatory effects helps connect changes in microRNA activity with altered cellular functions and environmental responses.
A control-versus-cold comparison shows which microRNAs change in association with low temperature rather than simply reflecting their baseline abundance. These expression differences provide evidence for cold-responsive regulation and help distinguish microRNAs potentially involved in stress responses from those that remain relatively stable across the tested environmental conditions.
MicroRNA–messenger RNA relationships can indicate how regulatory signals are connected to downstream gene activity. When a changing microRNA is linked with a complementary target transcript, the relationship can help explain effects on translation or transcript stability. Such analyses may therefore associate cold responses with stress tolerance, growth, metabolism, or acclimation.
The analysis links an environmental variable, low temperature, with changes in gene regulation. Rather than treating cold exposure only as a physical condition, researchers can examine how it corresponds to regulatory molecules and their messenger RNA targets. This connection supports interpretation of organismal responses and provides molecular context for adaptation to changing climate conditions.
A basic workflow compares microRNA abundance in organisms exposed to control conditions with abundance in organisms experiencing cold conditions. Researchers then examine the changed microRNAs and investigate their complementary messenger RNA targets. Interpreting these expression patterns together with target relationships helps identify regulatory pathways associated with the environmental treatment.
Cold stress microRNA analysis can highlight pathways associated with stress tolerance, growth, metabolism, and acclimation. These outcomes are inferred by connecting expression patterns and microRNA–target relationships with the functions represented by affected regulatory pathways. The approach is useful when researchers want to move from temperature-related molecular changes toward broader biological interpretation.
This approach is useful when an environmental study needs to explain how organisms respond to low temperature at the level of gene regulation. It can organize evidence from cold and control conditions, reveal candidate regulatory relationships, and clarify molecular contributions to acclimation or tolerance. It also provides context for studying responses to environmental change and climate-related temperature shifts.