Pathogenicity Analysis of Plant Nematodes

Nematodes are widely distributed in every corner of the world, and most live freely. Although there is an early understanding of the living parasitic nematodes, the research history of the plant threadworms is very short. By the time it was realized that many plant diseases were caused by plant nematodes, they were already causing huge economic losses worldwide. Plant nematodes cost the world $8 billion a year in economic losses, about 10 percent of total agricultural losses.

Lifeasible, as a leading global company, is committed to helping our customers achieve effective and successful research. We provide pathogenicity analysis of plant nematodes. In addition, we deliver reliable results and reports on time to our customers worldwide.

Analysis of Pathogenic Effects of Nematodes

• The developmental processes of pathogenesis are related to the way that nematodes adversely affect the host-either as superficial feeders or as endoparasites that induce syncytia or giant cells. Some nematodes cause extreme galling. Once in contact with the roots, nematodes may feed either on the surface of roots as ectoparasites or internally after penetration of roots as migratory or sedentary endoparasites.

Fig.1 Cross-section of a 4-week-old gall induced by plant nematodes.

• In many cases, nematodes act alone as primary pathogens, but in other cases, they interact with other organisms in disease complexes or serve as vectors for viruses.
• Lifeasible provides analysis of the pathogenic effects of nematodes, including attraction of nematodes to the host, feeding sites and host penetration, nematode feeding processes, damage of host tissue, interactions with other pathogens, interactions with viruses and vector relationships, etc.

Analysis of Pathogenic Effects of Nematode Companion Microorganisms

• In the growth, reproduction, infection, and disease of plant nematodes, especially pine wood nematodes, a variety of biological factors are involved in forming a complex micro-ecosystem, especially pine wood nematodes and its surface microorganisms form a close companion relationship.

Fig.2 Nematode-infected root systems.

• Understanding the interrelationships between pine wood nematodes and their associated bacteria and fungi is of great significance to reveal their interactions and the pathogenicity and mechanism of associated bacteria and fungi in pine wood nematodes disease.
• We provide pathogenic effects of nematode companion microorganisms, including the production of plant toxins and the breakdown of phytochemical defenses.

Analysis of Pathogenic Effects of Plant Endogenous Microorganisms

• In the later stage of pine wood nematode disease, pine wood nematode changed from the parasitic stage to the saprophytic stage after the pine tree died completely. The nematode feeding on the fungi in a pine tree, which maintained the survival and reproduction of the pine wood nematode population and provided the possibility for reinfection.
• We provide pathogenic effects of nematode endogenous microorganisms, including the effect on nematode populations and the correlation between endogenous microbial diversity and plant resistance.

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