Plant Wounding
Plant Wounding - Related Videos
07:14
The Plant Infection Test: Spray and Wound-Mediated Inoculation with the Plant Pathogen Magnaporthe Grisea
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Cited by 9 •
2018
Here, we present a protocol to test plant virulence with the plant pathogen Magnaporthe grisea. This report will contribute to the large-scale screening of the pathotypes of fungi isolates and serve as an excellent starting point for understanding the resistant mechanisms of plants during molecular breeding.
02:26
Establishment of Rice Plant Leaf Infection through Fungal Inoculation via Wounding
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2025
This video demonstrates the establishment of rice plant leaf infection through wounding inoculation with Magnaporthe grisea mycelium. The fungal spore-derived germ tube penetrates the epidermal layer, resulting in tissue infection and lesions on the leaves. This method aids pathotype screening and improves plant resistance understanding for molecular breeding.
08:35
Demonstration of the Rat Ischemic Skin Wound Model
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Cited by 32 •
2015
The rat, due to its size, availability, and rather docile behavior, has been utilized as a research model for many years. The goal of this protocol is to utilize the rat as an ischemic skin wound healing model to provide valuable insight into the pathophysiology of chronic wounds.
10:22
Transmitting Plant Viruses Using Whiteflies
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Cited by 41 •
2013
Improving our understanding of and our ability to manage many of the insect-transmitted plant viruses requires the use of the vector. Insect transmission of plant viruses is a tritrophic interaction, and as such requires the manipulation of insects, virus, and plant. Vectors must be reared in large numbers and manipulated in such a way as to insure high rates of transmission to test plants. The basics of rearing and manipulating the whitefly, Bemisa tabaci (Hemiptera: Aleyrodidae), a vector of...
04:58
Collecting And Measuring Wound Exudate Biochemical Mediators In Surgical Wounds
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Cited by 6 •
2012
This article provides a detailed and visual description of a methodology for collecting and measuring biochemical inflammatory and nociceptive mediators at the surgical wound site following cesarean delivery. This human bioassay has been used to determine correlations between wound and serum cytokine concentrations and drug-mediated changes in wound cytokines, chemokines and neuropetides.
FAQs
When tissue disruption occurs, damaged cells release signals that alert surrounding plant tissues. These signals initiate coordinated electrical and hydraulic changes, followed by reactive oxygen species and jasmonate signaling. The resulting cascade activates defense genes and redirects cellular activity, allowing the plant to respond beyond the immediately injured area rather than treating damage as an isolated local event.
Electrical and hydraulic changes provide rapid communication after tissue damage. They help transmit information from the injured region and coordinate subsequent biochemical responses, including reactive oxygen species production and jasmonate signaling. This early communication is important because defense activation, surface sealing, and metabolic adjustment must occur across affected tissues as environmental damage develops.
Reactive oxygen species and jasmonate signaling function as connected components of the defense response. Their activation helps turn damage information into changes in gene activity, including the expression of defense genes. Together, these signals support protective responses to injury and help plants adjust metabolism and growth while responding to environmental threats such as herbivory or pathogens.
Following injury, plants redirect growth and metabolism toward immediate protection and recovery. Resources and cellular activity support defense-gene activation and sealing of exposed surfaces, while normal growth patterns may be adjusted. This tradeoff links local tissue repair with broader environmental stress tolerance, helping the plant protect vulnerable tissues while managing the costs of responding to damage.
Researchers examine the characteristic combination of responses associated with injury, including damage signaling, electrical and hydraulic changes, reactive oxygen species, jasmonate signaling, defense-gene activation, surface sealing, and altered growth or metabolism. Comparing this response pattern with responses to other environmental cues helps clarify which signals specifically reflect tissue damage and which represent different forms of stress.
Plant injury research helps explain how damaged tissues influence interactions with herbivores, pathogens, and other microbes. The defense responses activated after damage can be analyzed in relation to these organisms, connecting tissue disruption with ecological outcomes. This perspective is useful for understanding how plants respond to biological threats within changing environmental conditions.
Understanding the signaling and repair processes triggered by injury can guide strategies for crop protection and stress tolerance. Research may reveal how plants activate defense genes, seal exposed surfaces, and redirect metabolism after damage. These insights can support more sustainable management of vegetation by addressing environmental stress through the plant’s own protective responses.