The human fungal pathogen Candida albicans alkalinizes the local extracellular environment. Two colonies of C. albicans grown for 19 days on GM-bromocresol green agar, pH 4. The fungus actively raises the pH of its surrounding environment. This alkalinization converts the normally dull green medium to a strong teal blue, whilst the filamentous fringes of the colonies (white) extend away from each other.
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Program: America Revealed
Episode: Local Ocean
Small producers still play a big role in America’s food system. Many consumers are interested in fresh, local products, like those provided by the clammers, or baymen, of Long Island’s South Shore. Every weekend, Alex Duschere motors his boat out on the hunt for hard clams. It’s labor-intensive work, using technology that hasn’t changed much since the days of the colonists.
• Visit the Local Ocean webpage
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