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Microbiology: Mycology | Yeast and Mould

Fungi include yeast and mould; notable for cell type that has chitin in cell wall and for production of spores (moulds produce spores while yeasts generally do not). Yeast is unicellular and exhibits budding; is gram positive if seen on gram stain and can be identified on a culture media via a wet mount. Mould is multicellular and exhibits hyphae; is generally not seen on a specimen gram stain and is not gram stained if isolated on culture media; rather, a lactophenol cotton blue [LPCB] slide is prepared to view its hyphae and structures. Exceptions: Possibility of dimorphic fungi. Dimorphic means two different states can exist dependent on temperature, therefore thermally dimorphic. Generally dimorphs exhibit: yeast at a higher temperatures (e.g. 35C) and mould at a lower temperatures (e.g. 25C). Only certain fungal species are able to exhibit thermally dimorphic characteristics -------------------------------------------------------------------------------------------------------------------------- Thank you for watching and supporting my channel – I hope you find the video informative and useful! I can be contacted at: Mailbox address: PO Box HM 1010 Hamilton, HMDX Bermuda Email: [email protected] Chess: https://www.chess.com/member/djsmith00 Instagram:   / djsmith00   TikTok:   / themicromanyoutube   Reddit:   / djsmith00   Video created via LightWorks If you really enjoy my content you're welcome to support me and my channel via PayPal or Cryptocurrency: PayPal: paypal.me/dylanjonsmith ETH address: 0x667182d9fab7919c1cac55ba6222a4da023b9e28 BTC address: 15gnvG9qyW5px83y7GM6ytn4UyrQq5ZP4z Thank you for your support, Dylan