fungal reproduction

Question 1

Define anamorphically and teleomorphically

Answer 1

anamorphically- asexual reproduction

teleomorphically- sexual reproduction

Question 2

For teleomorphically explain what somatogamy is

Answer 2

teleomorphically
somatogamy; put different nuclei in contact with each other there is nuclear fusion
start off this pheromones
Shmoo formation they come together and the nuclei fused together and you get a karynogamy =2n is down a diploid

Question 3

Explain the teleomorphic lifestyle of ascomycete

Answer 3

teleomorphic lifestyle of ascomycete

when they meet the fuse around themselves and through mitosis they will produce haploid cells

Question 4

What is the main advantages of teleomorphic reproduction

Answer 4

list the advantages of teleomorphic reproduction (sexually reproduction) genetic diversity

Question 5

Explain the characteristics of anamorphical reproduction and how they produce

Answer 5

anamorphical reproduction
most are haploid apart from yeast (using budding for reproduction)
how do they reproduction
-in a sac known as sporangium=spore
-external on a conidiophore=conidium
-by fragmentation of a specialised hyphus

Question 6

Explain the life cycle of Batrachochytrium dendrobatidis

Answer 6

life cycle of Batrachochytrium dendrobatidis
thallus of buds with developing zoosporangia-> once zoosporangia mature the motile ones ill to released into the water-> they then swim chemotactically to skin

Question 7

Why does Batrachochytrium dendrobatidis kill frogs

Answer 7

Why does Batrachochytrium dendrobatidis kill frogs
because it effects the skin and frogs use their skin to breath and this pathogen will make the skin thick stopping gas exchange and this leads to dehydration and death

Question 8

List the different techniques used to identify fungi

Answer 8

• suspect infection; look at lesions
• cytology; use fine needle aspirate, look at the fluid
• fungal culture; antibacterials will reduce the growth of the contaminate bacteria
• phenotypic tests; does for yeast
• DNA sequencing; used to id fungus to species level
• MALDITOF; mass spectrophotometry
• serological and ag detection test; detect ab or ag present in the sample which is from the target fungi

Question 9

What is Chytridiomycota; and list a fungi in this group

Answer 9

Chytridiomycota is a taxonomic group for fungi;
aquatic fungi which is produced by zoospores
Batrachochytrium dendrobatidis is in this group

Question 10

For mucormycotina list definition
characteristics
what it causes
how it sexually reproduces

Answer 10

mucormycotina its a fungal taxonmic group
usually saprophytic
causes vasculitis of the fore stomach secondary to subclinical acidosis in ruminates (cause by grain overload)
if there is damage in the rumen it will allow the fungi to enter the blood stream where they circle to placenta and causes death of the foetus
can reproduce by teleomorphic phase and anamorphic phase
if the reproduce sexually by the fusion of the conjugation of 2 hyphae this from gametangia ethic matures into zygosporangium (zygospore)
septa in hyphae

Question 11

For Zoopagomycota list the definition
characteristics
what is causes
the growth

Answer 11

Zoopagomycota
taxonomic group of fungi and its parasitic
there is no septa in hyphae
in division this can cause sc granulomas in animals
causes a disease in the tropics like Townsville
single asexual spores are formed on the tip of hyphae and are explosively discharged, the spores form a colon around the primary colonies as the colony ages thick zygospores and dark chlamydospores are produced.