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  1. Article: QTLs and Candidate Genes for Seed Protein Content in Two Recombinant Inbred Line Populations of Soybean.

    Park, Hye Rang / Seo, Jeong Hyun / Kang, Beom Kyu / Kim, Jun Hoi / Heo, Su Vin / Choi, Man Soo / Ko, Jee Yeon / Kim, Choon Song

    Plants (Basel, Switzerland)

    2023  Volume 12, Issue 20

    Abstract: This study aimed to discover the quantitative trait loci (QTL) associated with a high seed protein content in soybean and unravel the potential candidate genes. We developed two recombinant inbred line populations: YS and SI, by crossing Saedanbaek (high ...

    Abstract This study aimed to discover the quantitative trait loci (QTL) associated with a high seed protein content in soybean and unravel the potential candidate genes. We developed two recombinant inbred line populations: YS and SI, by crossing Saedanbaek (high protein) with YS2035-B-91-1-B-1 (low protein) and Saedanbaek with Ilmi (low protein), respectively, and evaluated the protein content for three consecutive years. Using single-nucleotide polymorphism (SNP)-marker-based linkage maps, four QTLs were located on chromosomes 15, 18, and 20 with high logarithm of odds values (5.9-55.0), contributing 5.5-66.0% phenotypic variance. In all three experimental years,
    Language English
    Publishing date 2023-10-16
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2704341-1
    ISSN 2223-7747
    ISSN 2223-7747
    DOI 10.3390/plants12203589
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Lignan-Rich Sesame (Sesamum indicum L.) Cultivar Exhibits In Vitro Anti-Cholinesterase Activity, Anti-Neurotoxicity in Amyloid-β Induced SH-SY5Y Cells, and Produces an In Vivo Nootropic Effect in Scopolamine-Induced Memory Impaired Mice

    Kim, Min-Young / Kim, Sungup / Lee, Jeongeun / Kim, Jung In / Oh, Eunyoung / Kim, S-W. / Lee, Eunsoo / Cho, Kwang Soo / Kim, Choon-Song / Lee, Myoung-Hee

    Antioxidants. 2023 May 17, v. 12, no. 5

    2023  

    Abstract: Alzheimer’s disease, a major cause of dementia, is characterized by impaired cholinergic function, increased oxidative stress, and amyloid cascade induction. Sesame lignans have attracted considerable attention owing to their beneficial effects on brain ... ...

    Abstract Alzheimer’s disease, a major cause of dementia, is characterized by impaired cholinergic function, increased oxidative stress, and amyloid cascade induction. Sesame lignans have attracted considerable attention owing to their beneficial effects on brain health. This study investigated the neuroprotective potential of lignan-rich sesame cultivars. Among the 10 sesame varieties studied, Milyang 74 (M74) extracts exhibited the highest total lignan content (17.71 mg/g) and in vitro acetylcholinesterase (AChE) inhibitory activity (66.17%, 0.4 mg/mL). M74 extracts were the most effective in improving cell viability and inhibiting reactive oxygen species (ROS) and malondialdehyde (MDA) generation in amyloid-β₂₅₋₃₅ fragment-treated SH-SY5Y cells. Thus, M74 was used to evaluate the nootropic effects of sesame extracts and oil on scopolamine (2 mg/kg)-induced memory impairment in mice compared to the control cultivar (Goenback). Pretreatment with the M74 extract (250 and 500 mg/kg) and oil (1 and 2 mL/kg) effectively improved memory disorder in mice (demonstrated by the passive avoidance test), inhibited AChE, and enhanced acetylcholine (Ach) levels. Moreover, immunohistochemistry and Western blot results showed that the M74 extract and oil reversed the scopolamine-induced increase in APP, BACE-1, and presenilin expression levels in the amyloid cascade and decreased BDNF and NGF expression levels in neuronal regeneration.
    Keywords Sesamum indicum ; Western blotting ; acetylcholine ; acetylcholinesterase ; amyloid ; brain ; cell viability ; cholinesterase inhibitors ; cultivars ; dementia ; immunohistochemistry ; lignans ; malondialdehyde ; memory ; memory disorders ; neurons ; neuroprotective effect ; oils ; oxidative stress ; reactive oxygen species ; scopolamine
    Language English
    Dates of publication 2023-0517
    Publishing place Multidisciplinary Digital Publishing Institute
    Document type Article ; Online
    ZDB-ID 2704216-9
    ISSN 2076-3921
    ISSN 2076-3921
    DOI 10.3390/antiox12051110
    Database NAL-Catalogue (AGRICOLA)

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  3. Article: Lignan-Rich Sesame (

    Kim, Min-Young / Kim, Sungup / Lee, Jeongeun / Kim, Jung-In / Oh, Eunyoung / Kim, Sang-Woo / Lee, Eunsoo / Cho, Kwang-Soo / Kim, Choon-Song / Lee, Myoung-Hee

    Antioxidants (Basel, Switzerland)

    2023  Volume 12, Issue 5

    Abstract: Alzheimer's disease, a major cause of dementia, is characterized by impaired cholinergic function, increased oxidative stress, and amyloid cascade induction. Sesame lignans have attracted considerable attention owing to their beneficial effects on brain ... ...

    Abstract Alzheimer's disease, a major cause of dementia, is characterized by impaired cholinergic function, increased oxidative stress, and amyloid cascade induction. Sesame lignans have attracted considerable attention owing to their beneficial effects on brain health. This study investigated the neuroprotective potential of lignan-rich sesame cultivars. Among the 10 sesame varieties studied, Milyang 74 (M74) extracts exhibited the highest total lignan content (17.71 mg/g) and in vitro acetylcholinesterase (AChE) inhibitory activity (66.17%, 0.4 mg/mL). M74 extracts were the most effective in improving cell viability and inhibiting reactive oxygen species (ROS) and malondialdehyde (MDA) generation in amyloid-β
    Language English
    Publishing date 2023-05-17
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2704216-9
    ISSN 2076-3921
    ISSN 2076-3921
    DOI 10.3390/antiox12051110
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article: Marker‐assisted breeding for improvement of anaerobic germination in japonica rice (Oryza sativa)

    Kim, Suk‐Man / Kim, Choon‐Song / Jeong, Ji‐Ung / Reinke, Russell F / Jeong, Jong‐Min

    Plant breeding. 2019 Dec., v. 138, no. 6

    2019  

    Abstract: Direct seeding is increasingly being practiced in rice cultivation areas because it saves labour and reduces cost of production and management. In this study, four japonica‐type breeding lines were developed from a cross of a japonica cultivar and an AG‐ ... ...

    Abstract Direct seeding is increasingly being practiced in rice cultivation areas because it saves labour and reduces cost of production and management. In this study, four japonica‐type breeding lines were developed from a cross of a japonica cultivar and an AG‐tolerant donor, KHO, using marker‐assisted selection. Validation of the target genes AG1 and AG2 in the selected lines was examined by PCR analysis and the background recovery rate by the recurrent parent was confirmed by genotyping using a 6K SNP chip. Compared to the recurrent, the survival rates of the selected lines were improved in a range from 33% to 115% in three conditions; in particular, the survival rate was increased in more than twice that of the recurrent parent under the hypoxic condition. The main agronomic trait, yield and quality‐related traits were similar to those of the recurrent parent. The use of these lines will contribute to the expansion of the cultivation area due to the proven economic benefits of direct seeding in Korea.
    Keywords Oryza sativa ; administrative management ; agronomic traits ; breeding lines ; cost effectiveness ; cultivars ; cultivation area ; direct seeding ; financial economics ; genotyping ; germination ; labor ; marker-assisted selection ; polymerase chain reaction ; production costs ; rice ; survival rate ; Korean Peninsula
    Language English
    Dates of publication 2019-12
    Size p. 810-819.
    Publishing place John Wiley & Sons, Ltd
    Document type Article
    Note NAL-light ; JOURNAL ARTICLE
    ZDB-ID 232853-7
    ISSN 0179-9541
    ISSN 0179-9541
    DOI 10.1111/pbr.12719
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Bonn / Germany

    Z 426: Show issues

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  5. Article: QTL mapping and effect confirmation for anaerobic germination tolerance derived from the japonica weedy rice landrace PBR

    Jeong, Jong‐Min / Cho, Young‐Chan / Jeong, Ji‐Ung / Mo, Young‐Jun / Kim, Choon‐Song / Kim, Woo‐Jea / Baek, Man‐Kee / Kim, Suk‐Man

    Plant breeding. 2020 Feb., v. 139, no. 1

    2020  

    Abstract: As one of the main rice establishment methods, direct seeding has the advantages of saving labour and reducing costs for farmers. However, the expansion of direct seeding has been constrained by poorly levelled fields, heavy rainfall and poor drainage ... ...

    Abstract As one of the main rice establishment methods, direct seeding has the advantages of saving labour and reducing costs for farmers. However, the expansion of direct seeding has been constrained by poorly levelled fields, heavy rainfall and poor drainage after sowing. The development of cultivars with anaerobic germination tolerance could improve or overcome these shortcomings of most rice under flooding conditions. In this study, a japonica‐type rice with anaerobic germination tolerance was suggested as a new genetic source and QTL analysis was carried out to improve adaptation to direct seeding. Three QTLs, qAG1, qAG3 and qAG11, were identified, explaining 13.44%, 6.71% and 14.52% of the phenotypic variance, respectively. In an evaluation of the most effective QTL combination, two QTL combinations (qAG1ᴺᴾ + qAG3ᴾᴮᴿ + qAG11ᴾᴮᴿ and qAG1ᴺᴾ + qAG11ᴾᴮᴿ) showed stable survival rates under submergence of filed condition. Based on the results, we will characterize the candidate genes within the detected target regions in further research, and the lines with advantageous alleles will be used to develop reliable cultivars to support the wide adoption of direct‐seeding practices in japonica rice.
    Keywords alleles ; cultivars ; direct seeding ; drainage ; farmers ; fields ; flooded conditions ; germination ; labor ; landraces ; methodology ; phenotypic variation ; plant breeding ; rain ; research ; rice ; submergence ; survival rate
    Language English
    Dates of publication 2020-02
    Size p. 83-92.
    Publishing place John Wiley & Sons, Ltd
    Document type Article
    Note NAL-light ; JOURNAL ARTICLE
    ZDB-ID 232853-7
    ISSN 0179-9541
    ISSN 0179-9541
    DOI 10.1111/pbr.12753
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Bonn / Germany

    Z 426: Show issues

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  6. Article: Improving the Glossiness of Cooked Rice, an Important Component of Visual Rice Grain Quality

    Park, Seul-Gi / Park, Hyun-Su / Baek, Man-Kee / Jeong, Jong-Min / Cho, Young-Chan / Lee, Gun-Mi / Lee, Chang-Min / Suh, Jung-Pil / Kim, Choon-Song / Kim, Suk-Man

    Rice. 2019 Dec., v. 12, no. 1

    2019  

    Abstract: BACKGROUND: Rice is one of the few cereals consumed as a whole grain, and therefore the appearance of the final milled product, both before and after cooking, strongly influences the consumer’s perception of product quality. Matching consumer preference ... ...

    Abstract BACKGROUND: Rice is one of the few cereals consumed as a whole grain, and therefore the appearance of the final milled product, both before and after cooking, strongly influences the consumer’s perception of product quality. Matching consumer preference for rice grain quality is a key component of rice variety development programs, as the quality drives demand, which in turn drives variety adoption, market price, and profitability. The quality of cooked rice is normally evaluated indirectly, through measurement of key elements driving quality as well as more directly by sensory evaluation, but remains a complex trait conditioned by the genetic complexity of factors driving quality, changes wrought by environment, and the complexity of consumer preferences. RESULT: In this study, we evaluated 17 traits, including the taste value obtained by glossiness of cooked rice (TV), to explain rice eating quality by statistical methods and identified QTLs associated with TV. To explain the correlation among traits, exploratory factor analysis was performed for 2 years. The overall eating quality (OE) was correlated with TV and protein content loading at the same factor (PA1) in 2017, and there was a relationship between the OE (PA1) and the TV (PA2) in 2018 (PA1:PA2, r = 0.3). In QTL analysis using 174 RILs, three QTLs for TV derived from Wandoaengmi6 were detected on chromosomes 4, 6, and 9. The QTL qTV9 delimited within Id9007180 and 9,851,330 on chromosome 9 was detected in both years, explaining approximately 17% of the variation, on average. Through the use of fine mapping, qTV9 was delimited to an approximately 34-Kbp segment flanked by the DNA markers CTV9_9 and CTV9_13, and nine ORFs were listed in the target region as candidate genes associated with TV. In the evaluation of qTV9’s effect on OE, the lines with qTV9 showed a significant increase in correlation coefficiency compared to the negative lines. These data will apply to functional analysis on the glossiness and the MAS breeding program to improve the eating quality of japonica as a donor line. CONCLUSION: In this paper we report a number of QTL associated with changes in glossiness of cooked rice, and these may have utility in the development of MAS in breeding programs with a specific focus on cooked grain quality.
    Keywords breeding programs ; chromosomes ; consumer attitudes ; consumer preferences ; cooking ; factor analysis ; genes ; genetic markers ; grain quality ; market prices ; profitability ; protein content ; quantitative trait loci ; rice ; sensory evaluation ; taste ; whole grain foods
    Language English
    Dates of publication 2019-12
    Size p. 87.
    Publishing place Springer US
    Document type Article
    ZDB-ID 2457103-9
    ISSN 1939-8433 ; 1939-8425
    ISSN (online) 1939-8433
    ISSN 1939-8425
    DOI 10.1186/s12284-019-0348-0
    Database NAL-Catalogue (AGRICOLA)

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  7. Article: Improving the Glossiness of Cooked Rice, an Important Component of Visual Rice Grain Quality.

    Park, Seul-Gi / Park, Hyun-Su / Baek, Man-Kee / Jeong, Jong-Min / Cho, Young-Chan / Lee, Gun-Mi / Lee, Chang-Min / Suh, Jung-Pil / Kim, Choon-Song / Kim, Suk-Man

    Rice (New York, N.Y.)

    2019  Volume 12, Issue 1, Page(s) 87

    Abstract: Background: Rice is one of the few cereals consumed as a whole grain, and therefore the appearance of the final milled product, both before and after cooking, strongly influences the consumer's perception of product quality. Matching consumer preference ...

    Abstract Background: Rice is one of the few cereals consumed as a whole grain, and therefore the appearance of the final milled product, both before and after cooking, strongly influences the consumer's perception of product quality. Matching consumer preference for rice grain quality is a key component of rice variety development programs, as the quality drives demand, which in turn drives variety adoption, market price, and profitability. The quality of cooked rice is normally evaluated indirectly, through measurement of key elements driving quality as well as more directly by sensory evaluation, but remains a complex trait conditioned by the genetic complexity of factors driving quality, changes wrought by environment, and the complexity of consumer preferences.
    Result: In this study, we evaluated 17 traits, including the taste value obtained by glossiness of cooked rice (TV), to explain rice eating quality by statistical methods and identified QTLs associated with TV. To explain the correlation among traits, exploratory factor analysis was performed for 2 years. The overall eating quality (OE) was correlated with TV and protein content loading at the same factor (PA1) in 2017, and there was a relationship between the OE (PA1) and the TV (PA2) in 2018 (PA1:PA2, r = 0.3). In QTL analysis using 174 RILs, three QTLs for TV derived from Wandoaengmi6 were detected on chromosomes 4, 6, and 9. The QTL qTV9 delimited within Id9007180 and 9,851,330 on chromosome 9 was detected in both years, explaining approximately 17% of the variation, on average. Through the use of fine mapping, qTV9 was delimited to an approximately 34-Kbp segment flanked by the DNA markers CTV9_9 and CTV9_13, and nine ORFs were listed in the target region as candidate genes associated with TV. In the evaluation of qTV9's effect on OE, the lines with qTV9 showed a significant increase in correlation coefficiency compared to the negative lines. These data will apply to functional analysis on the glossiness and the MAS breeding program to improve the eating quality of japonica as a donor line.
    Conclusion: In this paper we report a number of QTL associated with changes in glossiness of cooked rice, and these may have utility in the development of MAS in breeding programs with a specific focus on cooked grain quality.
    Language English
    Publishing date 2019-11-27
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2457103-9
    ISSN 1939-8433 ; 1939-8425
    ISSN (online) 1939-8433
    ISSN 1939-8425
    DOI 10.1186/s12284-019-0348-0
    Database MEDical Literature Analysis and Retrieval System OnLINE

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