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  1. Article: Validity of food consumption indicators in the Lao context.

    Uauy, Ricardo

    Food and nutrition bulletin

    2013  Volume 34, Issue 1, Page(s) 104

    MeSH term(s) Culture ; Diet ; Food ; Food Supply/standards ; Humans
    Language English
    Publishing date 2013-03
    Publishing country United States
    Document type Comment ; Editorial
    ZDB-ID 449173-7
    ISSN 0379-5721
    ISSN 0379-5721
    DOI 10.1177/156482651303400111
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    Z 4308: Show issues

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  2. Article: Keynote: rethinking protein.

    Uauy, Ricardo

    Food and nutrition bulletin

    2013  Volume 34, Issue 2, Page(s) 228–231

    MeSH term(s) Child ; Child Nutritional Physiological Phenomena ; Dietary Proteins/administration & dosage ; Dietary Proteins/metabolism ; Digestion ; Energy Intake ; Growth ; Humans ; Nutritional Requirements
    Chemical Substances Dietary Proteins
    Language English
    Publishing date 2013-06
    Publishing country United States
    Document type Journal Article
    ZDB-ID 449173-7
    ISSN 0379-5721
    ISSN 0379-5721
    DOI 10.1177/156482651303400213
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  3. Article: Improving linear growth without excess body fat gain in women and children.

    Uauy, Ricardo

    Food and nutrition bulletin

    2013  Volume 34, Issue 2, Page(s) 259–262

    MeSH term(s) Adipose Tissue ; Animals ; Body Composition ; Body Height ; Body Weight ; Child ; Child, Preschool ; Dietary Proteins/administration & dosage ; Energy Intake ; Female ; Growth Disorders/diet therapy ; Humans ; Infant ; Infant, Newborn ; Milk ; Obesity/diagnosis ; Obesity/prevention & control
    Chemical Substances Dietary Proteins
    Language English
    Publishing date 2013-06
    Publishing country United States
    Document type Journal Article
    ZDB-ID 449173-7
    ISSN 0379-5721
    ISSN 0379-5721
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

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  4. Article ; Online: The impact of the Brazil experience in Latin America.

    Uauy, Ricardo

    Lancet (London, England)

    2011  Volume 377, Issue 9782, Page(s) 1984–1986

    MeSH term(s) Brazil ; Economics ; Health Policy ; Health Services ; Humans ; Latin America ; Public Health ; Social Conditions
    Language English
    Publishing date 2011-06-11
    Publishing country England
    Document type Comment ; Journal Article
    ZDB-ID 3306-6
    ISSN 1474-547X ; 0023-7507 ; 0140-6736
    ISSN (online) 1474-547X
    ISSN 0023-7507 ; 0140-6736
    DOI 10.1016/S0140-6736(11)60437-6
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    Ua VI Zs.5: Show issues Location:
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    ab Jg. 2022: Lesesaal (EG)
    Zs.MG 94: Show issues

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  5. Article ; Online: FIGL1 prevents aberrant chromosome associations and fragmentation and limits crossovers in polyploid wheat meiosis.

    Osman, Kim / Desjardins, Stuart D / Simmonds, James / Burridge, Amanda J / Kanyuka, Kostya / Henderson, Ian R / Edwards, Keith J / Uauy, Cristobal / Franklin, F Chris H / Higgins, James D / Sanchez-Moran, Eugenio

    The New phytologist

    2024  

    Abstract: Meiotic crossovers (COs) generate genetic diversity and are crucial for viable gamete production. Plant COs are typically limited to 1-3 per chromosome pair, constraining the development of improved varieties, which in wheat is exacerbated by an extreme ... ...

    Abstract Meiotic crossovers (COs) generate genetic diversity and are crucial for viable gamete production. Plant COs are typically limited to 1-3 per chromosome pair, constraining the development of improved varieties, which in wheat is exacerbated by an extreme distal localisation bias. Advances in wheat genomics and related technologies provide new opportunities to investigate, and possibly modify, recombination in this important crop species. Here, we investigate the disruption of FIGL1 in tetraploid and hexaploid wheat as a potential strategy for modifying CO frequency/position. We analysed figl1 mutants and virus-induced gene silencing lines cytogenetically. Genetic mapping was performed in the hexaploid. FIGL1 prevents abnormal meiotic chromosome associations/fragmentation in both ploidies. It suppresses class II COs in the tetraploid such that CO/chiasma frequency increased 2.1-fold in a figl1 msh5 quadruple mutant compared with a msh5 double mutant. It does not appear to affect class I COs based on HEI10 foci counts in a hexaploid figl1 triple mutant. Genetic mapping in the triple mutant suggested no significant overall increase in total recombination across examined intervals but revealed large increases in specific individual intervals. Notably, the tetraploid figl1 double mutant was sterile but the hexaploid triple mutant was moderately fertile, indicating potential utility for wheat breeding.
    Language English
    Publishing date 2024-04-07
    Publishing country England
    Document type Journal Article
    ZDB-ID 208885-x
    ISSN 1469-8137 ; 0028-646X
    ISSN (online) 1469-8137
    ISSN 0028-646X
    DOI 10.1111/nph.19716
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    Z 868: Show issues

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  6. Article ; Online: Delayed development of basal spikelets in wheat explains their increased floret abortion and rudimentary nature.

    Backhaus, Anna Elisabeth / Griffiths, Cara / Vergara-Cruces, Angel / Simmonds, James / Lee, Rebecca / Morris, Richard J / Uauy, Cristobal

    Journal of experimental botany

    2023  Volume 74, Issue 17, Page(s) 5088–5103

    Abstract: Large differences exist in the number of grains per spikelet across an individual wheat (Triticum aestivum L.) spike. The central spikelets produce the highest number of grains, while apical and basal spikelets are less productive, and the most basal ... ...

    Abstract Large differences exist in the number of grains per spikelet across an individual wheat (Triticum aestivum L.) spike. The central spikelets produce the highest number of grains, while apical and basal spikelets are less productive, and the most basal spikelets are commonly only developed in rudimentary form. Basal spikelets are delayed in initiation, yet they continue to develop and produce florets. The precise timing or the cause of their abortion remains largely unknown. Here, we investigated the underlying causes of basal spikelet abortion using shading applications in the field. We found that basal spikelet abortion is likely to be the consequence of complete floret abortion, as both occur concurrently and have the same response to shading treatments. We detected no differences in assimilate availability across the spike. Instead, we show that the reduced developmental age of basal florets pre-anthesis is strongly associated with their increased abortion. Using the developmental age pre-abortion, we were able to predict final grain set per spikelet across the spike, alongside the characteristic gradient in the number of grains from basal to central spikelets. Future efforts to improve spikelet homogeneity across the spike could thus focus on improving basal spikelet establishment and increasing floret development rates pre-abortion.
    MeSH term(s) Triticum/physiology ; Flowers ; Edible Grain
    Language English
    Publishing date 2023-06-20
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2976-2
    ISSN 1460-2431 ; 0022-0957
    ISSN (online) 1460-2431
    ISSN 0022-0957
    DOI 10.1093/jxb/erad233
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    Z 55/29: Show issues

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  7. Article ; Online: Dietary fat quality for optimal health and well-being: overview of recommendations.

    Uauy, Ricardo

    Annals of nutrition & metabolism

    2009  Volume 54 Suppl 1, Page(s) 2–7

    Abstract: A century ago, dietary fat was mainly seen as a source of energy. In 1929, George and Mildred Burr introduced the concept of essential fats: certain fats, i.e. linoleic acid and alpha-linolenic acid, need to be provided by the diet to prevent ... ...

    Abstract A century ago, dietary fat was mainly seen as a source of energy. In 1929, George and Mildred Burr introduced the concept of essential fats: certain fats, i.e. linoleic acid and alpha-linolenic acid, need to be provided by the diet to prevent deficiencies. Although essential fats were initially considered of marginal nutritional importance for humans, clinical deficiency symptoms were recorded for the first time in the 1960s. Beyond the fact that essential fats can prevent deficiencies, research over the past decades has shown that they also play a major role in preventing chronic conditions such as cardiovascular diseases. This has resulted in an increased interest in the quality of the dietary lipid supply as a major determinant of long-term health and well-being, which is also reflected in recent diet guidelines. This paper will give an overview of key aspects of present recommendations on dietary fats.
    MeSH term(s) Body Weight ; Cardiovascular Diseases/prevention & control ; Dietary Fats/administration & dosage ; Dietary Fats/standards ; Global Health ; Humans ; Nutrition Policy ; Risk Factors
    Chemical Substances Dietary Fats
    Language English
    Publishing date 2009
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 392341-1
    ISSN 1421-9697 ; 0250-6807 ; 1018-9688
    ISSN (online) 1421-9697
    ISSN 0250-6807 ; 1018-9688
    DOI 10.1159/000220821
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    In stock of ZB MED Cologne/Königswinter

    Ue I Zs.260: Show issues Location:
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  8. Article ; Online: The assessment of dietary adequacy based on nutrient intake data is a complex issue. Foreword.

    Uauy, Ricardo

    The British journal of nutrition

    2009  Volume 101 Suppl 2, Page(s) S1

    MeSH term(s) Diet/standards ; Eating ; Guidelines as Topic ; Humans ; Nutrition Assessment ; Nutritional Requirements
    Language English
    Publishing date 2009-07
    Publishing country England
    Document type Introductory Journal Article
    ZDB-ID 280396-3
    ISSN 1475-2662 ; 0007-1145
    ISSN (online) 1475-2662
    ISSN 0007-1145
    DOI 10.1017/S0007114509990511
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    Ue I Zs.184: Show issues Location:
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  9. Article ; Online: Genetic Screening for Mutants with Altered Seminal Root Numbers in Hexaploid Wheat Using a High-Throughput Root Phenotyping Platform

    Shorinola, Oluwaseyi / Kaye, Ryan / Golan, Guy / Peleg, Zvi / Kepinski, Stefan / Uauy, Cristobal

    G3

    2023  

    Abstract: Roots are the main channel for water and nutrient uptake in plants. Optimization of root architecture provides a viable strategy to improve nutrient and water uptake efficiency and maintain crop productivity under water-limiting and nutrient-poor ... ...

    Abstract Roots are the main channel for water and nutrient uptake in plants. Optimization of root architecture provides a viable strategy to improve nutrient and water uptake efficiency and maintain crop productivity under water-limiting and nutrient-poor conditions. We know little, however, about the genetic control of root development in wheat, a crop supplying 20% of global calorie and protein intake. To improve our understanding of the genetic control of seminal root development in wheat, we conducted a high-throughput screen for variation in seminal root number using an exome-sequenced mutant population derived from the hexaploid wheat cultivar Cadenza. The screen identified seven independent mutants with homozygous and stably altered seminal root number phenotypes. One mutant, Cadenza0900, displays a recessive extra seminal root number phenotype, while six mutants (Cadenza0062, Cadenza0369, Cadenza0393, Cadenza0465, Cadenza0818 and Cadenza1273) show lower seminal root number phenotypes most likely originating from defects in the formation and activation of seminal root primordia. Segregation analysis in F2 populations suggest that the phenotype of Cadenza0900 is controlled by multiple loci whereas the Cadenza0062 phenotype fits a 3:1 mutant:wild-type segregation ratio characteristic of dominant single gene action. This work highlights the potential to use the sequenced wheat mutant population as a forward genetic resource to uncover novel variation in agronomic traits, such as seminal root architecture.
    Keywords wheat ; screening ; mutants
    Publishing date 2023-03-10T14:34:25Z
    Publisher Oxford University Press
    Publishing country fr
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  10. Article ; Online: Predictive anthropometric models of total and truncal body fat in Chilean children.

    Vásquez, Fabián / Corvalán, Camila / Gahagan, Sheila / Uauy, Ricardo / Kain, Juliana

    Nutrition (Burbank, Los Angeles County, Calif.)

    2020  Volume 77, Page(s) 110803

    Abstract: Objectives: This study aimed to develop predictive anthropometric models for total and truncal body fat in Chilean children using the following anthropometric measurements: weight, height, skinfold thickness, and circumference.: Methods: This cross- ... ...

    Abstract Objectives: This study aimed to develop predictive anthropometric models for total and truncal body fat in Chilean children using the following anthropometric measurements: weight, height, skinfold thickness, and circumference.
    Methods: This cross-sectional study included 669 Chilean children (12.0 y ± 1.3) in Tanner stage IV from the Growth and Obesity Chilean Cohort Study. Anthropometric measurements and dual-energy X-ray absorptiometry were determined to calculate total and truncal body fat. Prediction models were fitted by linear regression analysis.
    Results: The predictive equation for log total body fat (kg) was 0.449 + 0.049 (body mass index in kg/m
    Conclusions: In Chilean children, the high correlation between observed and predicted values enabled us to develop predictive equations for total and truncal body fat for children.
    MeSH term(s) Absorptiometry, Photon ; Adipose Tissue ; Anthropometry ; Body Composition ; Body Mass Index ; Child ; Chile ; Cohort Studies ; Cross-Sectional Studies ; Female ; Humans ; Male ; Skinfold Thickness
    Language English
    Publishing date 2020-03-12
    Publishing country United States
    Document type Journal Article
    ZDB-ID 639259-3
    ISSN 1873-1244 ; 0899-9007
    ISSN (online) 1873-1244
    ISSN 0899-9007
    DOI 10.1016/j.nut.2020.110803
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