Endophytic Colonization
Endophytic Colonization - Related Videos
01:32
Enhancing Salt Stress Tolerance in Tomato Plants Through Endophytic Bacterial Colonization
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2025
Endophytic bacteria colonize plant tissues and promote plant growth.To study their impact on tomato plant growth under salt stress, start with sterile seedlings showing developing leaves and roots.Immerse the roots of the experimental seedling in a suspension of endophytic bacteria; leave the control uninoculated.Transfer both groups into sterilized soil to prevent external microbial interference and incubate in a growth chamber.From the soil, the bacteria enter through transient root openings,...
01:22
Root-Mediated Endophytic Colonization of Beneficial Bacteria in Rice
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2025
Begin with rice seedlings pre-germinated under dark, aseptic conditions to ensure uniform sprouting.Transfer these seedlings to a flask containing a nutrient-rich, semi-solid medium pre-inoculated with a test bacterium.As the plant grows, the roots release chemotactic compounds into the surrounding medium.These compounds stimulate bacterial proliferation, leading to adhesion, multiplication, and colony formation on the root surface.As the roots develop, the bacteria enter the plant through...
15:14
Establishing Fungal Entomopathogens as Endophytes: Towards Endophytic Biological Control
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Cited by 197 •
2013
This protocol demonstrates two inoculation methods to introduce the fungal entomopathogen Beauveria bassiana as an endophyte in the common bean (Phaseolus vulgaris), in preparation for subsequent evaluations of endophytic biological control.
03:20
Electrophysiological Recording from Colonic Afferent Nerves in an Ex Vivo Rat Colon
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2025
This video demonstrates a method to record the activity of colonic afferent nerves in an ex-vivo rat colon, cannulated at both ends and infused with saline to increase intraluminal pressure. As pressure increases, the nerve signal rises, indicating its stimulation.
10:19
A Murine Model of Group B Streptococcus Vaginal Colonization
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Cited by 64 •
2016
The purpose of this protocol is to imitate human group B Streptococcus (GBS) vaginal colonization in a murine model. This method may be used to investigate host immune responses and bacterial factors contributing to GBS vaginal persistence, as well as to test therapeutic strategies.
FAQs
Entry commonly occurs through roots, stomata, or wounds, but successful establishment also depends on where microbes persist after entry. Intercellular spaces and vascular tissues provide distinct internal environments for growth and movement. This spatial behavior matters because bioengineers must consider both access to plant tissues and the locations where beneficial microbial activity can be maintained.
Persistence depends on microbial adaptation to plant defenses, supported by enzymes, signaling molecules, and nutrient exchanges. These activities help microorganisms grow internally without producing apparent disease. Their combined effects also shape the stability of the plant partnership, making them important targets when researchers investigate or design endophyte-based systems for beneficial traits.
The key distinction is the plant outcome: endophytic colonization occurs without apparent disease, whereas a harmful interaction would not provide that compatible internal state. Microbial adaptation to plant defenses and ongoing nutrient exchange help explain how internal growth can remain associated with plant function rather than visible damage, an important consideration in selecting partnerships for bioengineering.
Signaling molecules can support communication during internal establishment, while nutrient exchanges help sustain microbial growth and plant function. Together, these processes provide a mechanistic basis for designing partnerships rather than treating colonization as simple microbial presence. Understanding them can help connect internal persistence with outcomes such as improved nutrient acquisition or greater stress tolerance.
A research workflow begins by considering how the microorganism enters plant tissue, where it can persist, and how it adapts to plant defenses. Researchers then relate these processes to nutrient exchange, signaling, and the intended plant benefit. This framework supports the design of partnerships aimed at nutrient acquisition, stress tolerance, biological control, or phytoremediation.
Bioengineering applications include improving plant nutrient acquisition, increasing tolerance to stress, supporting biological control, and enabling phytoremediation. These goals use internal plant-microbe partnerships as a route to beneficial traits rather than relying only on external inputs. The broader objective is to develop more resilient crops and environmentally sustainable approaches to agriculture and biotechnology.
Stable microbial partnerships may combine internal microbial growth with nutrient exchanges and other beneficial interactions that support plant performance. In crop systems, this creates a potential basis for improved resilience and stress tolerance. In biotechnology, the same interface can be studied for biological control, phytoremediation, and delivery of beneficial traits, linking microbiology with plant engineering.