• Title/Summary/Keyword: Indigenous Culture

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INCIDENCE OF LACTIC ACID BACTERIA ISOLATED FROM INDIGENOUS DAHI

  • Masud, T.;Sultana, K.;Shah, M.A.
    • Asian-Australasian Journal of Animal Sciences
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    • v.4 no.4
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    • pp.329-331
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    • 1991
  • Fifty samples of indigenous dahi were collected randomly from the local market of Rawalpindi/Islamabad to determine the incidence of lactic acid bacteria. The micro-organisms isolated were Lactobacillus bulgaricus (86%), Streptococcus themophilus (80%), Streptococcus lactis (74%), Lactobacillus helveticus (34%), Streptococcus cremoris (30%), Lactobacillus casei (20%) and Lactobacillus acidophilus (14%) respectively. The results of the present study revealed that indigenous dahi contains mixtures of lactic acid bacteria and thus the quality of dahi may vary with the type of starter culture used for inoculation.

Optimization of in vitro fertilization technique for oocytes of indigenous zebu cows

  • Rahman, Mohammad Moshiur;Rahman, Md. Masudur;Juyena, Nasrin Sultana;Bhuiyan, Mohammad Musharraf Uddin
    • Journal of Animal Reproduction and Biotechnology
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    • v.35 no.2
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    • pp.142-148
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    • 2020
  • The research work was undertaken to determine an effective fertilization medium, sperm separation method and sperm capacitating agent for optimum in vitro fertilization (IVF) rates of indigenous zebu cow oocytes. In experiment 1, tissue culture medium (TCM 199), Tyrode's albumin lactate pyruvate (TALP) and Brackett and Oliphant (BO) medium were used as basic medium for IVF of oocytes of indigenous zebu cows. In experiment 2, three sperm separation methods namely centrifugation, swim up and percoll gradient methods were used for separation of motile and viable spermatozoa for IVF. In experiment 3, for capacitation of spermatozoa, IVF medium supplemented with the heparin, mixture of penicillamine, hypotaurine and epinephrine (PHE) or the combination of heparin with PHE were used for fertilization. In vitro culture (IVC) of presumptive zygotes was done in modified synthetic oviduct fluid (mSOF) medium using standard procedure 24 h after sperm-oocytes co-culture. The cleavage rate was determined to evaluate the efficacy of fertilization medium, sperm separation method and sperm capacitating agent 24 h after IVC. The cleavage rate was higher in oocytes fertilized in TALP (63.3%) than in TCM 199 (47.5%) (p < 0.05). The cleavage rate was higher in oocytes fertilized by spermatozoa separated by percoll gradient method (62.3%) than by centrifugation (51.6%) (p < 0.05). The cleavage rate of oocytes was higher when insemination was done with spermatozoa capacitated in TALP supplemented with heparin and PHE (61.3%) compared to control (40.9%) (p < 0.05). In conclusions, TALP based medium and percoll gradient sperm separation followed by capacitation with combination of heparin and PHE are suitable for IVF of indigenous zebu cow oocytes in Bangladesh.

Ecuadorian Indigenous Movement: The Role of Pachakutik (에콰도르 원주민 운동과 파차쿠틱의 경험: '정치의 종족화'와 '상호문화적 딜레마'를 중심으로)

  • Lee, Seong Hun
    • Cross-Cultural Studies
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    • v.49
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    • pp.249-274
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    • 2017
  • The indigenous movement in Ecuador, which has been one of the most successful social movements since the 1980s, has been declining since the 2000s. The rapid disintegration and weakening of the indigenous movement with the emergence of the Correa regime is closely related to the geopolitical realities of Ecuador. This study examines the Pachakutik, an independent political organization, as the reason behind the movement's weakened political power and crisis that was experienced under the Correa regime since the 2000s. Until the early 2000s, the indigenous movement exercised considerable political power through CONAIE. CONAIE formed the Pachakutik, in order to resolve their issues politically through elections. Despite the successes of the 1990s, the electoral strategy since the 2000s led to eventual fragmentation and decline of the indigenous movement. Therefore, the impact of Pachakutik on the growth and decline of the indigenous movement has important implications for the future. The need for expansion through intercultural discourses and strategies rather than electoral strategies cannot be overstated. In other words, new approaches are needed to sustain the indigenous movement.

Fish out of Water: Linguistic outsiders in a Nigerian University Setting: Impact on information access, learning and social wellbeing

  • Chidinma Onwuchekwa Ogba;Adeyinka Fashokun
    • International Journal of Knowledge Content Development & Technology
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    • v.13 no.3
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    • pp.7-30
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    • 2023
  • Nigeria is a country with multiple ethnic groups; as a result, English language is used as a lingua franca to enhance information flow. Despite this, the Indigenous languages of communities are mostly used for interactions, even in university environments thereby affecting smooth interaction for those who do not understand them. This study therefore investigated the impact of being a linguistic outsider on information access, learning and social wellbeing of students. Descriptive research of a case study was used for this study. The population for this study consisted of non-Yoruba indigenous students. Judgmental sampling technique was used to select 50 non-indigenous students; structured interview was used. Results showed that Yoruba indigenous language was used lightly in the classroom and heavily outside the classroom, with mixtures of pidgin and English languages. It was found that being a linguistic outsider had a negative influence on information access. However it was not a total dependent factor to social wellbeing of students who desire for their various languages to be predominantly used and for them to enjoy equal benefits with Yoruba indigenes. This study also revealed that being a linguistic outsider does not have negative influence on academic learning. It was recommended that the stakeholders in university management promote the complete use of English language in the classroom while students should be encouraged to interpret Yoruba language when spoken in the midst of non-indigenes.

Indigenous psychological analysis of trust in Korean culture (한국인의 신뢰의식에 나타난 토착심리 탐구)

  • Young-Shin Park;Uichol Kim
    • Korean Journal of Culture and Social Issue
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    • v.11 no.spc
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    • pp.21-55
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    • 2005
  • The purpose of this paper is to examine the concept of trust in Korean culture using the indigenous psychological analysis. First, this paper raises central questions that arise in Korean families, schools, companies and society: 1) Why are some Korean families disintegrating? 2) What core values do Korean schools teach? 3) What are the goals that Korean companies pursue? 4) Does trust exist in Korean society? Second, this paper reviews a series of empirical studies conducted using the indigenous psychology approach. The results indicate the following three major themes: 1) trust is based on relational culture and ingroup identity; 2) emotional attachment and bond provide the basis of trust; 3) the emphasis on cultivation of virtue through constant self-cultivation rather than ability and the control of the environment. Third, this paper raises central issues that need to be addressed: 1) the extension and expansion of trust beyond the narrow confines of the family and ingroup to include outgroup members; 2) recognition and balance of public rationality and private emotions and relations in society; 3) the achievement of balance between self-regulation and the control of the environment.

Optimized Production of Biosurfactant by the Indigenous Bacterium, Pseudoalteromonas sp. HK-3 Originating from Oil-Spilled Areas (유류누출 지역에서 유래한 토착세균, Pseudoalteromonas sp. HK-3 배양에서 생물계면활성제의 최적 생산)

  • Cho, Su-Hee;Ma, Chae-Woo;Oh, Kye-Heon
    • KSBB Journal
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    • v.26 no.1
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    • pp.57-61
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    • 2011
  • The principal objective of this study was to determine the optimal conditions for the production of biosurfactant by the indigenous bacterium, Pseudoalteromonas sp. HK-3, originating from oil-spilled areas. The relationship between total biosurfactant production and the factors affecting biosurfactant production were evaluated by statistical analysis using SPSS software. The effects of various supplemental carbon sources (e.g., glucose, dextrose, mannitol, citrate, acetate) on the maximal production of biosurfactant by the test culture of Pseudoalteromonas sp. HK-3 was then evaluated. As a result, mannitol was found in this study to be the best supplemental carbon source for the production of biosurfactant. A spot inoculation of crude cultural liquid containing the HK-3 cells generated the largest clear zone, whereas only small clear zones appeared around the spots inoculated with either supernatant only or cell pellets following centrifugation. Our results demonstrated that the HK-3 test culture supplemented with 2% mannitol at an initial pH of 6 generated the maximal amount of biosurfactant within 72 h of incubation.

Monitoring of petroleum hydrocarbon degradative potential of indigenous microorganisms in ozonated soil

  • ;;Rameshwar;Tatavarty
    • Proceedings of the Korean Society of Soil and Groundwater Environment Conference
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    • 2003.09a
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    • pp.152-157
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    • 2003
  • Diesel-contaminated soils were ozonated for different times (0 - 900 min) and incubated for 9 wk to monitor petroleum hydrocarbons (PH)-degradative potential of indigenous microorganisms in the soils. Increased ozonation time decreased not only concentration of PH but also number of microorganisms in the soils. Microorganisms in the ozonated soils increased during 9-wk incubation as monitored by culture- and nonculture-based methods. Higher (1-2 orders of magnitude) cell number was observed by quantitative analysis of soil DNA using probes detecting genes encoding 165 rRNA(rrn), naphthalene dioxygenase (nahA), toluene dioxygenase (todC), and alkane hydroxylase (alkB) than microbial abundance estimated by culture-based methods. Such PH-degraders were relatively a few or under detection limit in 900-min ozonated soil. Further PH-removal observed during the incubation period supported the presence of PH-degraders in ozonated soils. Highest reduction (25.4%) of total PH (TPH) was observed in 180-min ozonated soil white negligible reduction was shown in 900-min ozonated soil during the period, resulting in lowest TPH-concentration in 180-min ozonated soil among the ozonated soils. Microbial community composition in 9-wk incubated soils revealed slight difference between 900-min ozonated and unozonated soils as analyzed by whole cell hybridization using group-specific rRNA-targeted oligonucleotides. Results of this study suggest that appropriate ozonation and subsequent biodegradation by indigenous microorganisms may be a cost-effective and successful remediation strategy for PH-contaminated soils.

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Antioxidant Activity of Indigenous Trametes Species in Korea

  • Kim, Minkyeong;Ahn, Chorong;Kim, Changmu
    • The Korean Journal of Mycology
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    • v.49 no.4
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    • pp.433-440
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    • 2021
  • The fungal genus Trametes is globally distributed and comprises various wood-decay species, including the well-known medicinal mushroom Trametes versicolor, a popular remedy in traditional Asian medicine. Trametes species produce antioxidants, which have a wide range of health benefits. The pressent study evaluated seven indigenous Trametes species from Korea, which were cultivated in three different media (dextrose-yeast extract, DY; malt extract-yeast extract, MY; malt extract broth, MEB) and tested for antioxidant activity using the 2,2-diphenyl-1-picrylhydrazyl and 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) assays. We found that the medium consumption rate did not significantly differ between the media and among the strains (72-76%). However, the T. versicolor strains had a relatively low consumption rate (14-65%). The 2,2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonate) (ABTS) tests demonstrated that culture filtrates of T. cf. junipericola, T. orientalis, T. suaveolens, and T. versicolor possessed antioxidant activity against damage from free radicals. In particular, T. cf. junipericola (DY) and T. versicolor (MY) had >80% activity in the DPPH and ABTS assays, compared with that of the positive control (ascorbic acid). Thus, our study identified promising candidates with substantial antioxidant activity among the indigenous strains of Trametes spp. from Korea.

Removal of 2,4,6-trinitrotoluene(TNT) by Indigenous Grasses, Abutilon Avicennae and Aeschynomene Indica, in Hydroponic Culture (토착 야초류(어저귀, 자귀풀)의 수경재배를 이용한 2,4,6-trinitrotoluene(TNT) 분해 연구)

  • Kwon, Young-seok;Kim, Dong-ill;Choung, Youn-kyoo;Bae, Bum-han;Lee, In-sook;Chang, Yoon-young
    • Journal of Korean Society on Water Environment
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    • v.20 no.1
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    • pp.32-36
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    • 2004
  • In this study, uptake and translocation of 2,4,6-trinitrotoluene(TNT) by plant in a hydroponic culture was quantified with two indigenous plant species, Aeschynomene indica and Abutilon avicennae on various initial concentrations of TNT ranging from 20 to 80 mgTNT/L. Experiments were sterilized to exclude the activity of microorganisms and conducted in duplicate. Weight loss of two plant species in added TNT culture media was higher than in control. At over 2OmgTNTIL, there appeared to be phytotoxicity from TNT as indicated by severe yellow-chlorosis and increase of falling leaves. TNT removal rate normalized(K) to the plant fresh weight of Abutilon avicennae and Aeschynomene indica was that the higher TNT concentrations resulted in lower TNT removal rate normalized(K) to the plant fresh weight. Approximately 96% of the TNT in viable microflora-hydroponic culture was removed after 96h of the experiments.

COMPARATIVE STUDIES ON INDIGENOUS STARTER CULTURE STRAINS FOR THEIR RATE OF ACID PRODUCTION

  • Masud, T.;Sultana, K.;Kausar, R.
    • Asian-Australasian Journal of Animal Sciences
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    • v.5 no.3
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    • pp.559-561
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    • 1992
  • Three strains each of L. bulgaricus and S. thermophilus isolated from indigenous dahi were examined for their rate of acid production and corresponding pH values in skim milk medium incubated at $40^{\circ}C$. No significant increase in titrable acidity or decrease in pH were recorded from initial period up to 2nd hour in both the strains. Following this period, however, there was a continuous increase in titrable acidity and a decrease in pH value in the milk for all the tested strains. Further it was observed that there was a variation among these strains for their acid production rate. High rate of acid production was recorded for the L. bulgaricus as compared to S. thermophilus. The results further, suggested that efforts should be made to select a proper pair of L. bulgaricus and S. thermophilus according to their rate of acid production, at a particular temperature in order to produce a good quality product.