Detailed Information on Publication Record
2018
Proteomic characterization and antifungal activity of potato tuber proteins isolated from starch production waste under different temperature regimes
BÁRTOVÁ, Veronika, Jan BÁRTA, Andrea VLAČIHOVÁ, Ondrej ŠEDO, Zbyněk ZDRÁHAL et. al.Basic information
Original name
Proteomic characterization and antifungal activity of potato tuber proteins isolated from starch production waste under different temperature regimes
Authors
BÁRTOVÁ, Veronika (203 Czech Republic), Jan BÁRTA (203 Czech Republic), Andrea VLAČIHOVÁ (203 Czech Republic), Ondrej ŠEDO (203 Czech Republic, belonging to the institution), Zbyněk ZDRÁHAL (203 Czech Republic, guarantor, belonging to the institution), Hana KONEČNÁ (203 Czech Republic, belonging to the institution), Adéla STUPKOVÁ (203 Czech Republic) and Josef ŠVAJNER (203 Czech Republic)
Edition
APPLIED MICROBIOLOGY AND BIOTECHNOLOGY, 2018, 0175-7598
Other information
Language
English
Type of outcome
Článek v odborném periodiku
Field of Study
10611 Plant sciences, botany
Country of publisher
United States of America
Confidentiality degree
není předmětem státního či obchodního tajemství
Impact factor
Impact factor: 3.670
RIV identification code
RIV/00216224:14740/18:00106168
Organization unit
Central European Institute of Technology
UT WoS
000451523800017
Keywords in English
Potato; Solanum tuberosum L; Thermally stable proteins; Protease inhibitors; Antifungal activity
Tags
International impact, Reviewed
Změněno: 13/3/2019 16:41, Mgr. Pavla Foltynová, Ph.D.
Abstract
V originále
Proteins were obtained from effluent of a starch manufacture by using different isolation temperatures (40, 60, 80, and 100 degrees C). The proteins, remaining in effluent after treatment of potato juice at 80 and 100 degrees C differed significantly in composition and in structural stability as well as in trypsin inhibitory and antifungal activities in comparison with the variants of 40 and 60 degrees C. The protein samples of 80 degrees C exhibited the highest antifungal activity and its average value of IC50 against five strains of two Fusarium species was determined in average at 0.18 mg ml(-1). The 80 degrees C protein samples consisted predominantly of low-molecular proteins (7-17 kDa) identified as potato tuber protease inhibitors I and II. Predominantly, protease inhibitors II were identified for the protein samples obtained by 100 degrees C and here we identified 7 spots in comparison with 12 identified for the 80 degrees C samples. Samples of 40 and 60 degrees C with low antifungal activities represent high variability of detected and identified proteins. We identified various representatives of aspartic, cysteine, and serine protease inhibitors in both types of samples. These samples also contained Kunitz-type protease inhibitors that were not found in the 80 and 100 degrees C samples which documented thermal unstableness of Kunitz-type protease inhibitors. Functional stability at high temperatures and antifungal activity of isolated potato protease inhibitors I and II support the potential of this fraction usage in food, feed, pharmaceutical, or agricultural industry and offer new products for starch manufactures. At the same time, utilization of the stable protein fraction of waste deproteinized potato water promotes exploitation of potato starch production resources.
Links
LM2015043, research and development project |
|