Discuss how some fungi can be harmful to humans.

Name: Problem 8, Chapter 23: Biology: Life on Earth with Physiology
Uploaded: 2022-02-23T23:38:58-08:00
Duration: 3 min 53 s
Channel: Danielle Ashley
Description: Discuss how some fungi can be harmful to humans.

Key Concepts

Mycotoxins

Mycotoxins are toxic secondary metabolites produced by certain fungi. These substances can contaminate food supplies and cause a range of harmful effects in humans, from acute poisoning to long-term health issues, highlighting a non-infectious mechanism through which fungi can be harmful.

Opportunistic Infections

Opportunistic infections occur when fungi take advantage of weakened immune defenses. In individuals with compromised immune systems—such as those suffering from HIV/AIDS, undergoing chemotherapy, or on immunosuppressive therapy—fungi that are usually harmless can become highly pathogenic.

Pathogenic Fungi

These are fungi that have the ability to cause disease in humans. They can invade and damage tissues through various mechanisms, including direct infection or the production of harmful substances, making them a threat particularly in healthcare and immunocompromised environments.

Fungal Infections (Mycoses)

Mycoses refer to the spectrum of diseases caused by fungal pathogens. They can range from superficial skin infections to severe systemic infections, requiring careful diagnosis and often complex treatment strategies to mitigate their effects on human health.

Transcript

00:03 Hello there.

00:04 For this question, they want to discuss how some fungi can be harmful to humans.

00:12 So how they can be harmful? well, let's start off with something where it's just a little bit more irritating and unpleasant.

00:23 Where fungi, what they can do, well, the diseases that are thought to be unpleasant and are not life -threatening can usually be treated with antifungal ointments.

00:34 So these cases could be your candida albeacons, albekins, which usually cause faginal infections or the type of fungus that attacks the skin like athletes ' foot, jock itch, and ringworm.

00:54 Then you got those that can infect the lungs if victim inhale spores disease causing fungal species, like your ascal.

01:05 My sites that cause fally fever and in histoplasmosis and these are usually i'm just talking about something else and with these these are usually found in like the u .s.

01:26 And the falley fever they're mainly found like in the southwest where histoplasmosis is more likely prevalent in the central and eastern regions.

01:43 And if diagnosed, it can be controlled with antifungal drugs.

01:48 If not treated, i mean, if untreated, they can develop into serious systematic affections.

01:56 And then you have serious diseases that can result from inhaling spores like your crypoxious gutti.

02:06 And with these, these are basidial white sites that are normally found in the tropics, but has in recent years appeared in the pacific northwest.

02:27 And all of firemen's fungus have been proven to be dangerous, where the death rate of these type of fungus can range from 13 %...

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