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Table 1 Overview of Penicillium chrysogenum and P. rubens strains studied.

From: Fleming’s penicillin producing strain is not Penicillium chrysogenum but P. rubens

No.

Other collection no.

Name

Substrate, locality

Remarks

NRRL 820

DTO 100G5 = IBT 4395 = IBT 6067 = IMI 92220

P. chrysogenum

Unrecorded source

Ex-lectotype of P. griseoroseum

CBS 306.48T

NRRL 807 = IBT 5233 = IMI 24314

P. chrysogenum

Cheese, Storrs, Connecticut, USA

Ex-lectotype of P. chrysogenum

DTO 8712

 

P. chrysogenum

Fungal growth on ceiling of archive, Utrecht, the Netherlands

 

DTO 102B4

IBT 26889 = C238

P. chrysogenum

House dust, Wallaceburg, ON, Canada

Representative of group 2 in the study of Scott et al. (2004)

CBS 355.48

NRRL 821 = IBT 4344 = DTO 98D4 = IMI 39759

P. chrysogenum

Branches of Hyssopus, Norway

Ex-type of P. notatum

CBS 197.46

NRRL 832

P. rubens

Must contaminant, Belgium

The strain first used for producing penicillin in submerged culture (Raper & Thom 1949: 368–370)

CBS 205.57

NRRL 824 = IBT 30142 = IMI 015378

P. rubens

Culture contaminant in bacterial culture, UK

Fleming’s original penicillin producing strain

DTO 95E9

IBT 30661

P. rubens

Cap of beer bottle, Belgium

 

NRRL 792T

DTO 98E8 = IBT 30129

P. rubens

Unrecorded source

Ex-lectotype of P. rubens

CBS 307.48

NRRL 1951 = IBT 5857 = IMI 40233

P. rubens

Mouldy cantaloupe Peoria, Illinois, USA

“Wisconsin strain”, parent of most high yielding penicillin producing strains

Wisconsin 54-1255

 

P. rubens

Mouldy cantaloupe Peoria, Illinois, USA

Full genome sequenced strain