Long-term survival of microorganisms in frozen material from early Antarctic base camps at McMurdo Sound

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Abstract
Plate counts were made of bacteria surviving in materials from Shackleton's and Scott's camps from the first decade of this century. Several millions of bacteria per g of material were detected in samples of pony dung and lesser numbers in dried peas, pearl barley, chaff and straw. No coliforms had survived in the dung: apparent positives in the presumptive coliform counts proved to be sporing Bacillus spp. when tested in a confirmatory coliform test. Subsamples of the colonies growing on agar plates all proved to be either Bacillus spp. producing endospores or actinomycetes (Micromonospora spp.) with single spores along the hyphae.

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