12 Questions
What distinguishes MOLLICUTES from bacteria?
Absence of true cell wall
How are phytoplasmas distinguished in terms of cell wall structure?
Lack a true cell wall
Which statement is true regarding the reproduction of phytoplasmas?
Multiply through binary transverse fission
What is a distinguishing feature of spiroplasmas regarding shape?
Helical and branched nonhelical filaments
How do spiroplasmas move within their environment?
By a slow undulation of the filament
Why are phytoplasmas unable to be grown on artificial media?
Absence of a cell wall
Where are phytoplasma and spiroplasma present?
In the sap of the phloem sieve tubes
How are phytoplasma and spiroplasma transmitted from plant to plant?
Mainly by leafhoppers
What is required for the vector to transmit mollicutes after feeding on infected plants?
An incubation period of 10 to 45 days
Where does the mollicute multiply first within the insect vector if acquired from the plant?
In the intestinal cells
When do more insects become vectors for mollicutes?
When feeding on young leaves and stems of infected plants
What body parts of the insect vectors can phytoplasma and spiroplasma grow in?
Alimentary canal, hemolymph, salivary glands, intracellularly in various body organs
Learn about the general characteristics of Mollicutes, including their discovery and classification as Mycoplasmalike Organisms (MLO). Explore their wall-less nature and resemblance to mycoplasmas.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
