PHOTOBIOLOGICAL CHARACTERIZATION OF A SPORE GERMINATION MUTANT dkgl WITH REVERSED PHOTOREGULATION IN THE FERN Ceratopteris richardii

1993 ◽  
Vol 57 (s1) ◽  
pp. 1032-1041 ◽  
Author(s):  
Todd J. Cooke ◽  
Leslie G. Hickok ◽  
William J. VANDERWOUDE ◽  
Jo Ann Banks ◽  
Rodney J. Scott
Keyword(s):  
Spore Germination ◽  
Ceratopteris Richardii

scholarly journals Characterization of Four Members of the Alpha-Tubulin Gene Family in Ceratopteris richardii

2007 ◽  
Vol 97 (2) ◽  
pp. 47-65 ◽  
Author(s):  
Rodney J. Scott ◽  
Gerald J. Gastony ◽  
Jeremy W. Weatherford ◽  
Takuya Nakazato
Keyword(s):  
Gene Family ◽  
Ceratopteris Richardii ◽  
Tubulin Gene ◽  
Alpha Tubulin

Isolation and Characterization of a Spore Germination Inhibitor fromStreptomycessp. CB-1-1, a Phytopathogen Causing Root Tumor of Melon

2007 ◽  
Vol 71 (4) ◽  
pp. 986-992 ◽  
Author(s):  
Yuu AOKI ◽  
Masahiro YOSHIDA ◽  
Hiroshi KAWAIDE ◽  
Hiroshi ABE ◽  
Masahiro NATSUME
Keyword(s):  
Spore Germination ◽  
Germination Inhibitor ◽  
Isolation And Characterization

scholarly journals Molecular characterization of a serine protease Pro1 from Plasmodiophora brassicae that stimulates resting spore germination

2010 ◽  
Vol 11 (4) ◽  
pp. 503-512 ◽  
Author(s):  
JIE FENG ◽  
RU HWANG ◽  
SHEAU-FANG HWANG ◽  
STEPHEN E. STRELKOV ◽  
BRUCE D. GOSSEN ◽  
...  
Keyword(s):  
Serine Protease ◽  
Molecular Characterization ◽  
Spore Germination ◽  
Plasmodiophora Brassicae ◽  
Resting Spore

Isolation and characterization of yeast mitochondrial mutants defective in spore germination

1981 ◽  
Vol 4 (1) ◽  
pp. 29-36 ◽  
Author(s):  
Andreas Hartig ◽  
Ren�e Schroeder ◽  
Eva Mucke ◽  
Michael Breitenbach
Keyword(s):  
Spore Germination ◽  
Isolation And Characterization

scholarly journals Role of Ger Proteins in Nutrient and Nonnutrient Triggering of Spore Germination in Bacillus subtilis

2000 ◽  
Vol 182 (9) ◽  
pp. 2513-2519 ◽  
Author(s):  
Madan Paidhungat ◽  
Peter Setlow
Keyword(s):  
Bacillus Subtilis ◽  
Mutant Strain ◽  
Spore Germination ◽  
Dipicolinic Acid ◽  
Family Members ◽  
Wild Type ◽  
Receptor Proteins ◽  
Rich Media

ABSTRACT Dormant Bacillus subtilis spores germinate in the presence of particular nutrients called germinants. The spores are thought to recognize germinants through receptor proteins encoded by the gerA family of operons, which includesgerA, gerB, and gerK. We sought to substantiate this putative function of the GerA family proteins by characterizing spore germination in a mutant strain that contained deletions at all known gerA-like loci. As expected, the mutant spores germinated very poorly in a variety of rich media. In contrast, they germinated like wild-type spores in a chemical germinant, a 1-1 chelate of Ca2+ and dipicolinic acid (DPA). These observations showed that proteins encoded bygerA family members are required for nutrient-induced germination but not for chemical-triggered germination, supporting the hypothesis that the GerA family encodes receptors for nutrient germinants. Further characterization of Ca2+–DPA-induced germination showed that the effect of Ca2+–DPA on spore germination was saturated at 60 mM and had a Km of 30 mM. We also found that decoating spores abolished their ability to germinate in Ca2+–DPA but not in nutrient germinants, indicating that Ca2+–DPA and nutrient germinants probably act through parallel arms of the germination pathway.

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