Words that start with a “P”
The oomycete known as plant destroyer
Who is Phytophthora?
One distinctive feature of fungal and oomycete hyphae that can be observed visually using a microscope
What is septation?
The attribute that makes bacterial cells and oomycete zoospores motile
What are flagella?
A sign of bacterial infection in plants
What is bacterial ooze?
A group of biotrophic oomycetes
What are downy mildews?
The process of cytoplasmic fusion during fungal reproduction
What is plasmogamy?
Oospores are this type of spore; chlamydospores are not
What are sexual spores?
The contents of the bacterial chromosome and the plasmid
What is DNA?
This bacterium is a plant pathogen and a natural genetic engineer
Who is Agrobacterium tumefaciens?
The main component of their hyphal wall
What is cellulose?
A mobile element found in bacterial cells that can be transferred during conjugation
What is a plasmid?
The structural component of the bacterial cell wall whose thickness differs between Gram + and Gram - bacteria
What is peptidoglycan?
The body of a fungus and fungus-like organism
What is a thallus?
High molecular weight carbohydrates attached to exterior surface of bacterial cell
What are EPS (exopolysaccharides)?
The nuclear state of the vegetative hyphae in oomycetes
What is diploid?
A structure formed at the tip of some sporangia from which zoospores are released
What is a papilla?
Haploid and diploid nuclei have a different number of these
What are chromosomes?
The reproductive bodies of fungi and fungus-like organisms
What are spores?
Taxonomic group of bacteria that lack an outer membrane in their cell wall
What are Gram positives?
A specialized hyphal structure formed inside host cells to absorb nutrients
What are haustoria?
A subdivision of a plant-pathogenic bacterial species defined by host range
What is a pathovar?
These reproductive cells in oomycetes are produced by the same or by different individuals
What are gametes?
The role of oospores and chlamydospores in the oomycete disease cycle
What is survival?
Obligate bacterial pathogens that parasitize the xylem of plants and are very difficult to grow in culture
What are fastidious bacteria?
The male gamete produced during sexual reproduction
What is the antheridium?