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Climacteric

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https://www.readbyqxmd.com/read/28088087/ethylene-biosynthesis-and-perception-during-ripening-of-loquat-fruit-eriobotrya-japonica-lindl
#1
E Alos, A Martinez-Fuentes, C Reig, C Mesejo, M J Rodrigo, M Agustí, L Zacarías
In order to gain insights into the controversial ripening behavior of loquat fruits, in the present study we have analyzed the expression of three genes related to ethylene biosynthesis (ACS1, ACO1 and ACO2), two ethylene receptors (ERS1a and ERS1b), one signal transduction component (CTR1) and one transcription factor (EIL1) in peel and pulp of loquat fruit during natural ripening and also in fruits treated with ethylene (10μLL(-1)) and 1-MCP (10μLL(-1)), an ethylene action inhibitor. In fruits attached to or detached from the tree, a slight increase in ethylene production was detected at the yellow stage, but the respiration rate declined progressively during ripening...
December 19, 2016: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28081285/pre-harvest-foliar-application-of-ethephon-strengthens-gibberellins-induced-fruit-expansion-in-pyrus-pyrifolia
#2
C Ma, L Wang, U Y Lee, K Tanabe, S Kang, C X Zhang
To identify the roles of ethylene in fruit development in Japanese pear Pyrus pyrifolia 'Niitaka', one of the non-climacteric genotypes, source-sink strength and fruit development during fruit expansion were investigated when ethephon was applied after a conventional gibberellic acid (GA) lanolin paste treatment on the pedicel. The results demonstrate that the conventional GA treatment during the early stage of fruit expansion resulted in larger fruit size and advanced fruit maturation, but pre-harvest foliar application of ethephon only advanced fruit maturation...
December 23, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28072609/the-impact-of-estrogen-alone-hormone-therapy-on-breast-cancer-risk-and-health-outcomes-reassurance-for-the-treatment-of-climacteric-symptoms-in-black-women
#3
Aaron K Styer
No abstract text is available yet for this article.
January 9, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28054115/-risk-and-benefit-of-nutritional-supplements-for-the-treatment-of-postmenopausal-complaints
#4
Patrick Diel, Anne Kurrat, Christina Oden, Lars Hanke
Menopause is for many females associated with an occurrence of a variety of health complaints and a decrease in quality in life. Hot flashes, sleep disturbances and a variety of other symptoms result in a strong psychological strain. Hormone replacement therapy for treatment of climacteric complaints is discussed controversially regarding associated side effects. This is a major reason to propose treatment with plant derived extracts and compounds as an alternative. Such compounds are available either as drugs but mostly as nutritional supplements...
January 4, 2017: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
https://www.readbyqxmd.com/read/28042716/the-role-of-self-rated-health-in-the-association-between-chronic-somatic-diseases-and-climacteric-related-symptoms
#5
R E Katainen, J R Engblom, T J Siirtola, R U Erkkola, P Polo-Kantola
OBJECTIVES: We have previously shown an association between several chronic somatic diseases and climacteric-related symptoms. This time, we investigated whether self-rated health (SRH) contributes to this association. METHODS: The Women's Health Questionnaire was used to evaluate the climacteric-related symptoms, and existence of the diseases was investigated in 3421 women (41-54 years). In our previous study, the associations were defined with multivariable analyses...
January 2, 2017: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/27982200/metabolic-syndrome-and-sexual-function-in-postmenopausal-women
#6
Kathiussa Dombek, Emille Joana Medeiros Capistrano, Ana Carolina Carioca Costa, Lizanka Paola Figueiredo Marinheiro
Objective: The purpose of this study was to evaluate whether female sexual dysfunction (FSD) is associated with metabolic syndrome (MS) and to identify factors that contribute to FSD in postmenopausal women. Subjects and methods: This was a cross-sectional study in 111 sexually active women aged 45-65 years. We applied the Female Sexual Function Index (FSFI) to evaluate the participant's sexual function and a structured questionnaire to collect demographic, socioeconomic, clinical, anthropometric, and laboratory data...
November 2016: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27973616/transcriptome-analysis-provides-a-preliminary-regulation-route-of-the-ethylene-signal-transduction-component-slein2-during-tomato-ripening
#7
Rui-Heng Wang, Xin-Yu Yuan, Lan-Huan Meng, Ben-Zhong Zhu, Hong-Liang Zhu, Yun-Bo Luo, Da-Qi Fu
Ethylene is crucial in climacteric fruit ripening. The ethylene signal pathway regulates several physiological alterations such as softening, carotenoid accumulation and sugar level reduction, and production of volatile compounds. All these physiological processes are controlled by numerous genes and their expression simultaneously changes at the onset of ripening. Ethylene insensitive 2 (EIN2) is a key component for ethylene signal transduction, and its mutation causes ethylene insensitivity. In tomato, silencing SlEIN2 resulted in a non-ripening phenotype and low ethylene production...
2016: PloS One
https://www.readbyqxmd.com/read/27965676/tissue-specific-transcriptome-and-hormonal-regulation-of-pollinated-and-parthenocarpic-fig-ficus-carica-l-fruit-suggest-that-fruit-ripening-is-coordinated-by-the-reproductive-part-of-the-syconium
#8
Yogev Rosianski, Adi Doron-Faigenboim, Zohar E Freiman, Kumar Lama, Shira Milo-Cochavi, Yardena Dahan, Zohar Kerem, Moshe A Flaishman
In the unconventional climacteric fig (Ficus carica) fruit, pollinated and parthenocarpic fruit of the same genotype exhibit different ripening characteristics. Integrative comparative analyses of tissue-specific transcript and of hormone levels during fruit repining from pollinated vs. parthenocarpic fig fruit were employed to unravel the similarities and differences in their regulatory processes during fruit repining. Assembling tissue-specific transcripts into 147,000 transcripts with 53,000 annotated genes provided new insights into the spatial distribution of many classes of regulatory and structural genes, including those related to color, taste and aroma, storage, protein degradation, seeds and embryos, chlorophyll, and hormones...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27957690/photodegradation-of-ethylene-by-use-of-tio2-sol-gel-on-polypropylene-and-on-glass-for-application-in-the-postharvest-of-papaya-fruit
#9
Ruth Evelyn R S Lourenço, Amanda A N Linhares, André Vicente de Oliveira, Marcelo Gomes da Silva, Jurandi Gonçalves de Oliveira, Maria Cristina Canela
The papaya is a commercially important fruit commodity worldwide. Being a climacteric fruit, it is highly perishable. Thus, for the transportation of papaya fruit for long distances without loss of quality, it is necessary to avoid the autocatalytic effect of ethylene in accelerating the ripening of the fruit. This work addresses the application of heterogeneous photocatalysis to the degradation of ethylene. A TiO2 sol-gel supported on polypropylene (PP) and on glass was used as the catalytic material, and a UV-A lamp was employed as the radiation source...
December 12, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27951491/biochemical-and-physiological-changes-during-fruit-development-and-ripening-of-two-sweet-cherry-varieties-with-different-levels-of-cracking-tolerance
#10
Jordi Giné-Bordonaba, Gemma Echeverria, Dolors Ubach, Ingrid Aguiló-Aguayo, M Luisa López, Christian Larrigaudière
The aim of this study was to investigate the biochemical and metabolic changes, related to oxidative stress, ethylene and respiration, cell wall modification and primary metabolism, between a high ('Prime Giant') and a low ('Cristalina') cracking susceptible sweet cherry cultivar during growth and ripening. While cherries are referred as a non-climacteric fruit, our results show that an increase of endogenous ethylene production at earlier fruit developmental stages is parallel to colour development and softening during growth...
December 1, 2016: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/27935411/climacteric-ripening-of-apple-fruit-is-regulated-by-transcriptional-circuits-stimulated-by-cross-talks-between-ethylene-and-auxin
#11
Nicola Busatto, Alice Tadiello, Livio Trainotti, Fabrizio Costa
Apple is a fleshy fruit distinguished by a climacteric type of ripening, since most of the relevant physiological changes are triggered and governed by the action of ethylene. After its production, this hormone is perceived by a series of receptors to regulate, through a signaling cascade, downstream ethylene related genes. The possibility to control the effect of ethylene opened new horizons to the improvement of the postharvest fruit quality. To this end, 1-methylcyclopropene (1-MCP), an ethylene antagonist, is routinely used to modulate the ripening progression increasing storage life...
December 9, 2016: Plant Signaling & Behavior
https://www.readbyqxmd.com/read/27928707/effect-of-zuogui-pill-on-monoamine-neurotransmitters-and-sex-hormones-in-climacteric-rats-with-panic-attack
#12
Xiao-Yu Li, Xiao-Yun Wang
OBJECTIVE: To explore the effects of Chinese medicine prescription Zuogui Pill (, ZGP) on monoamine neurotransmitters and sex hormones in climacteric rats with induced panic attacks. METHODS: Forty-eight climacteric female rats were randomized into 6 groups with 8 rats in each group: the control group, the model group, the low-, medium- and high-dose ZGP groups and the alprazolam group. Rats in the low-, medium- and high-dose ZGP groups were administered 4.725, 9...
December 7, 2016: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/27900987/effect-of-half-dose-and-standard-dose-conjugated-equine-estrogens-combined-with-natural-progesterone-or-dydrogesterone-on-components-of-metabolic-syndrome-in-healthy-postmenopausal-women-a-randomized-controlled-trial
#13
Wei Xue, Yan Deng, Yan-Fang Wang, Ai-Jun Sun
BACKGROUND: Menopausal hormone therapy (MHT) has been proven to have beneficial effects on several components of metabolic syndrome. However, the effects vary according to different regimens, dosages, and duration of MHT. The aim of the study was to evaluate the effect of standard-dose 0.625 mg conjugated equine estrogen (CEE) and half-dose 0.3 mg CEE daily with different progestogens in a continuous sequential regimen on postmenopausal metabolic parameters in generally healthy postmenopausal women...
2016: Chinese Medical Journal
https://www.readbyqxmd.com/read/27861943/respiration-climacteric-in-tomato-fruits-elucidated-by-constraint-based-modelling
#14
Sophie Colombié, Bertrand Beauvoit, Christine Nazaret, Camille Bénard, Gilles Vercambre, Sophie Le Gall, Benoit Biais, Cécile Cabasson, Mickaël Maucourt, Stéphane Bernillon, Annick Moing, Martine Dieuaide-Noubhani, Jean-Pierre Mazat, Yves Gibon
Tomato is a model organism to study the development of fleshy fruit including ripening initiation. Unfortunately, few studies deal with the brief phase of accelerated ripening associated with the respiration climacteric because of practical problems involved in measuring fruit respiration. Because constraint-based modelling allows predicting accurate metabolic fluxes, we investigated the respiration and energy dissipation of fruit pericarp at the breaker stage using a detailed stoichiometric model of the respiratory pathway, including alternative oxidase and uncoupling proteins...
November 15, 2016: New Phytologist
https://www.readbyqxmd.com/read/27845857/effects-of-imparting-planned-health-education-on-hot-flush-beliefs-and-quality-of-life-of-climacteric-women
#15
A Sis Çelik, T Pasinlioğlu
OBJECTIVE: The aim of the present study was to determine the effect of imparting planned health education to climacteric women on their beliefs related to hot flushes and on their quality of life. METHODS: The research was conducted using pretest and post-test semi-experimental models along with a control group. Of 450 women, 255 were randomly selected and invited to participate in the study. Five people did not agree to participate in the study. Three people were also excluded from the study because they did not complete training...
November 15, 2016: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/27834113/the-new-climacteric
#16
Rod Baber
No abstract text is available yet for this article.
December 2016: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/27833619/translating-the-banana-genome-to-delineate-stress-resistance-dwarfing-parthenocarpy-and-mechanisms-of-fruit-ripening
#17
REVIEW
Prasanta K Dash, Rhitu Rai
Evolutionary frozen, genetically sterile and globally iconic fruit "Banana" remained untouched by the green revolution and, as of today, researchers face intrinsic impediments for its varietal improvement. Recently, this wonder crop entered the genomics era with decoding of structural genome of double haploid Pahang (AA genome constitution) genotype of Musa acuminata. Its complex genome decoded by hybrid sequencing strategies revealed panoply of genes and transcription factors involved in the process of sucrose conversion that imparts sweetness to its fruit...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27827928/comparative-transcriptional-analysis-of-loquat-fruit-identifies-major-signal-networks-involved-in-fruit-development-and-ripening-process
#18
Huwei Song, Xiangxiang Zhao, Weicheng Hu, Xinfeng Wang, Ting Shen, Liming Yang
Loquat (Eriobotrya japonica Lindl.) is an important non-climacteric fruit and rich in essential nutrients such as minerals and carotenoids. During fruit development and ripening, thousands of the differentially expressed genes (DEGs) from various metabolic pathways cause a series of physiological and biochemical changes. To better understand the underlying mechanism of fruit development, the Solexa/Illumina RNA-seq high-throughput sequencing was used to evaluate the global changes of gene transcription levels...
November 4, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27766930/prevalence-of-climacteric-symptoms-comparing-perimenopausal-and-postmenopausal-chinese-women
#19
Xiangyan Ruan, Yamei Cui, Juan Du, Fengyu Jin, Alfred Otto Mueck
INTRODUCTION: The climacteric symptoms during peri- and postmenopause have not been extensively studied in China. To further understanding of the characteristics of Chinese women during their menopausal transition, the aim of the study was to compare the prevalence and severity of climacteric symptoms of peri- and postmenopausal Chinese women. METHODS: The retrospective descriptive study was carried out in perimenopausal and postmenopausal women from 20 provinces of China who visited Beijing Obstetrics & Gynecology hospital during 2008-2015...
October 21, 2016: Journal of Psychosomatic Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/27759460/occult-form-of-premature-ovarian-insufficiency
#20
I G Shestakova, V E Radzinsky, M B Khamoshina
Premature ovarian insufficiency (POI) is a life-changing diagnosis, with profound physical and psychological consequences. Despite the description of different genetic, immune and iatrogenic factors of POI, the etiology of most cases of this disease are unexplained, and optimal management strategies are still unclear. Recent data showed that POI may have a long period of oligomenorrhea before the fully developed form (complete ovarian failure stage), with the occurrence of amenorrhea and climacteric symptoms...
October 2016: Gynecological Endocrinology
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