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Multi-locus sequence typing of Salmonella enterica isolates from dog treats and raw meat-based dog food in Japan. 对日本狗食和生肉狗食中分离出的肠炎沙门氏菌进行多焦点序列分型。
IF 1.6
BMC Research Notes Pub Date : 2024-12-19 DOI: 10.1186/s13104-024-07014-0
Shoichiro Yukawa, Miho Morita
{"title":"Multi-locus sequence typing of Salmonella enterica isolates from dog treats and raw meat-based dog food in Japan.","authors":"Shoichiro Yukawa, Miho Morita","doi":"10.1186/s13104-024-07014-0","DOIUrl":"10.1186/s13104-024-07014-0","url":null,"abstract":"<p><strong>Objective: </strong>Salmonella is an important zoonotic foodborne pathogen which is recognized as a major public health concern worldwide. Salmonella contamination are highly prevalent in dog treats and raw meat-based dog food (RMBDs). And dog treats and raw meat-based dog food are often implicated as main sources of human infection. Many epidemiological studies have focused on the characteristics of Salmonella in many countries. But there are no such reports in Japan. This study was conducted to investigate the genetic characteristics of Salmonella using multi-locus sequence typing (MLST).</p><p><strong>Results: </strong>Fourteen Salmonella isolates were assigned to 8 sequence types: ST19, ST26, ST32, ST34, ST241, ST469, ST864 and ST1861. The most common types were ST32 and ST34 (21%, n = 3). The second most common types were ST26 and ST469 (14%, n = 2).</p>","PeriodicalId":9234,"journal":{"name":"BMC Research Notes","volume":"17 1","pages":"366"},"PeriodicalIF":1.6,"publicationDate":"2024-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11660974/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142863443","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
'QuickDASH' to find unique genes and biological processes associated with shoulder osteoarthritis: a prospective case-control study. 通过 "QuickDASH "寻找与肩关节骨关节炎相关的独特基因和生物过程:一项前瞻性病例对照研究。
IF 1.6
BMC Research Notes Pub Date : 2024-12-19 DOI: 10.1186/s13104-024-07035-9
Samuel J Lynskey, Stephen D Gill, Sean L McGee, Mark Ziemann, Richard S Page
{"title":"'QuickDASH' to find unique genes and biological processes associated with shoulder osteoarthritis: a prospective case-control study.","authors":"Samuel J Lynskey, Stephen D Gill, Sean L McGee, Mark Ziemann, Richard S Page","doi":"10.1186/s13104-024-07035-9","DOIUrl":"10.1186/s13104-024-07035-9","url":null,"abstract":"<p><strong>Objective: </strong>Osteoarthritis (OA) is a disease impacting the synovial joint complex, yet transcriptional changes specific to shoulder OA remain underexplored. This study aims to profile transcriptomic changes in periarticular tissues from patients undergoing shoulder replacement for OA. By correlating these profiles with QuickDASH scores-a validated measure of worsening shoulder function-this research seeks to understand the gene expression changes associated with clinical decline. Capsular tissue biopsies from shoulder OA patients were compared with those from a control group undergoing shoulder stabilization for recurrent instability. This investigation forms part of a larger transcriptomic analysis of painful shoulder conditions which will address the current gap in knowledge regarding the molecular and genetic underpinnings of shoulder OA, rotator cuff tears and cuff-tear arthropathy.</p><p><strong>Results: </strong>The analysis revealed that genes most strongly associated with increasing QuickDASH scores across tissues were linked to inflammation and stress response. Key pathways involved interleukins, chemokines, complement components, nuclear response factors, and immediate early response genes, reflecting a balance between pro- and anti-inflammatory signalling. Additionally, this study identified unique gene expression patterns in shoulder OA not previously observed in hip and knee OA, along with novel genes implicated in shoulder OA, highlighting areas for future targeted investigation. Trial registration This investigation has been registered with the Australian New Zealand Clinical Trials Registry (ANZCTR), registered on the 26th of March 2018, registration number: 12618000431224, accessible from: https://anzctr.org.au/Trial/Registration/TrialReview.aspx?id=374665&isReview=true.</p>","PeriodicalId":9234,"journal":{"name":"BMC Research Notes","volume":"17 1","pages":"361"},"PeriodicalIF":1.6,"publicationDate":"2024-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11657115/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142863449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of the 10-day ultra-marathon using a predictive XG boost model. 使用预测XG boost模型分析10天超级马拉松。
IF 1.6
BMC Research Notes Pub Date : 2024-12-19 DOI: 10.1186/s13104-024-07028-8
Beat Knechtle, Elias Villiger, David Valero, Lorin Braschler, Katja Weiss, Rodrigo Luiz Vancini, Marilia S Andrade, Volker Scheer, Pantelis T Nikolaidis, Ivan Cuk, Thomas Rosemann, Mabliny Thuany
{"title":"Analysis of the 10-day ultra-marathon using a predictive XG boost model.","authors":"Beat Knechtle, Elias Villiger, David Valero, Lorin Braschler, Katja Weiss, Rodrigo Luiz Vancini, Marilia S Andrade, Volker Scheer, Pantelis T Nikolaidis, Ivan Cuk, Thomas Rosemann, Mabliny Thuany","doi":"10.1186/s13104-024-07028-8","DOIUrl":"10.1186/s13104-024-07028-8","url":null,"abstract":"<p><strong>Objective: </strong>Ultra-marathon running races are held as distance-limited or time-limited events, ranging from 6 h to 10 days. Only a few runners compete in 10-day events, and so far, we have little knowledge about the athletes' origins, performance, and event characteristics. The aim of the present study was to investigate the origin and performance of these runners and the fastest race locations. A machine learning model based on the XG Boost algorithm was built to predict running speed from the athlete´s age, gender, country of origin, country where the race takes place, the type of race and the kind of running surface. The model explainability tools were then used to investigate how each independent variable would influence the predicted running speed.</p><p><strong>Results: </strong>The model rated the origin of the athlete as the most important predictor, followed by age group, running on dirt path, gender, running on asphalt, and event location. Running on dirt path led to a significant reduction of running speed, while running on asphalt showed faster running speeds compared to other surfaces. Most athletes came from USA, followed by Russia, Germany, Ukraine, the Czech Republic, and Slovakia. Most of the runners competed in USA. The fastest 10-day runners were from Finland and Israel. The fastest 10-day races were held in Greece.</p><p><strong>Conclusions: </strong>Most 10-day runners originated from USA, but the fastest runners originate from Finland and Israel. The fastest race courses were in Greece. Running on dirt paths leads to a significant reduction in running speed while running on asphalt leads to faster running speeds.</p>","PeriodicalId":9234,"journal":{"name":"BMC Research Notes","volume":"17 1","pages":"372"},"PeriodicalIF":1.6,"publicationDate":"2024-12-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11660604/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142863388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Predictors of seeking mental health services among Iranian middle-aged people based on health belief model: evidence from a cross-sectional study in a developing country. 基于健康信念模型的伊朗中年人寻求精神卫生服务的预测因素:来自发展中国家横断面研究的证据。
IF 1.6
BMC Research Notes Pub Date : 2024-12-18 DOI: 10.1186/s13104-024-07043-9
Ali Reza Yusefi, Tahereh Rahimi, Fatemeh Rezaei, Ebrahim Ahmadi Abpardeh
{"title":"Predictors of seeking mental health services among Iranian middle-aged people based on health belief model: evidence from a cross-sectional study in a developing country.","authors":"Ali Reza Yusefi, Tahereh Rahimi, Fatemeh Rezaei, Ebrahim Ahmadi Abpardeh","doi":"10.1186/s13104-024-07043-9","DOIUrl":"10.1186/s13104-024-07043-9","url":null,"abstract":"<p><strong>Background: </strong>There is limited information about people's beliefs regarding how they deal with mental health problems, especially in developing countries. This study was conducted with the aim of determining predictors of seeking mental health services (SMHS) among Iranian middle-aged people.</p><p><strong>Method: </strong>The current study is a cross-sectional study on 384 middle-aged people from Jahrom city that was selected with random cluster sampling. The data collection tool is a researcher-made questionnaire consisting demographic information and health beliefs about SMHS based on the health belief model. To examine the prediction of variables explaining SMHS, a linear regression analysis was carried out. P-value < 0.05 was considered statistically significant.</p><p><strong>Results: </strong>Perceived susceptibility (β = 0.22; p < 0.001), perceived severity (β = 0.13; p = 0.002), perceived barriers (β = 0.39; p < 0.001) and perceived self-efficacy (β = 0.37; p < 0.001) could explain 44% of variance of SMHS (F = 61.46; p < 001).</p><p><strong>Conclusion: </strong>SMHS was related to people's perceptions and beliefs, and middle-aged people's perceived barriers were stronger predictors. It is necessary for health planners to develop and implement educational intervention programs that include health beliefs.</p>","PeriodicalId":9234,"journal":{"name":"BMC Research Notes","volume":"17 1","pages":"360"},"PeriodicalIF":1.6,"publicationDate":"2024-12-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11658061/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142851897","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The mortality of Bombyx mori larvae challenged by BmNPV is reduced when supplemented with Lactobacillus acidophilus bacteria. 补充嗜酸乳杆菌后,受到 BmNPV 病毒感染的蚕蛾幼虫死亡率会降低。
IF 1.6
BMC Research Notes Pub Date : 2024-12-17 DOI: 10.1186/s13104-024-07019-9
Siripuk Suraporn, Vallaya Suthikhum, Olle Terenius
{"title":"The mortality of Bombyx mori larvae challenged by BmNPV is reduced when supplemented with Lactobacillus acidophilus bacteria.","authors":"Siripuk Suraporn, Vallaya Suthikhum, Olle Terenius","doi":"10.1186/s13104-024-07019-9","DOIUrl":"10.1186/s13104-024-07019-9","url":null,"abstract":"<p><strong>Objective: </strong>Bombyx mori nucleopolyhedrovirus (BmNPV) causes grasserie with severe effects in Thai strains of the silkworm Bombyx mori. The aim of this study was to investigate the effect of probiotic supplementation on the survival of silkworm larvae challenged with BmNPV.</p><p><strong>Results: </strong>Silkworm larvae of the Thai polyvoltine strain Samrong was supplemented with commercial probiotic bacteria, Lactobacillus acidophilus, on the second day of the 2nd, 3rd, 4th, and 5th instar. When challenged with BmNPV on the second day of the 4th instar, the survival ratio was 92% for larvae supplemented with L. acidophilus as compared to 56% for larvae without L. acidophilus supplementation. For the larvae that survived until pupation, we determined the growth characters cocooning ratio, larval weight, and pupation ratio, and the economic characters cocoon shell weight and cocoon weight. Growth characters were significantly lower in larvae infected with BmNPV as compared to infected larvae receiving probiotics.</p>","PeriodicalId":9234,"journal":{"name":"BMC Research Notes","volume":"17 1","pages":"359"},"PeriodicalIF":1.6,"publicationDate":"2024-12-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11654306/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142845806","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Neuroathletic training in stroke rehabilitation? A single-blind randomized controlled pilot study on the potential of neuroathletic training for balance ability in stroke outpatient rehabilitation. 脑卒中康复中的神经运动训练?脑卒中门诊康复中神经运动训练对平衡能力潜力的单盲随机对照试验研究。
IF 1.6
BMC Research Notes Pub Date : 2024-12-12 DOI: 10.1186/s13104-024-07022-0
Evers Judith, Stolz Isabel, Klein Marilena
{"title":"Neuroathletic training in stroke rehabilitation? A single-blind randomized controlled pilot study on the potential of neuroathletic training for balance ability in stroke outpatient rehabilitation.","authors":"Evers Judith, Stolz Isabel, Klein Marilena","doi":"10.1186/s13104-024-07022-0","DOIUrl":"10.1186/s13104-024-07022-0","url":null,"abstract":"<p><p>Recently, neuroathletic training has been increasingly applied in competitive sports, in therapy, and in prevention. Scientific evidence on the effectiveness of this approach, however, has been poorly developed. Potentials of neuropathologic perceptual exercises to potentially improve balance control in the context of movement therapy in stroke rehabilitation appear promising. To investigate the possible effects of neuroathletic exercises on the balance ability of poststroke patients with ischemic infarcts and intracerebral hemorrhages, a controlled trial of a standardized protocol of daily neuroathletic exercises compared to traditional movement therapy during a four-week period of medical rehabilitation was conducted (n = 19). Patients were assessed with the Berg-Balance Scale (BBS), which represents the Gold standard for clinical measurement of balance. The results of the prepost BBS measurement showed significant balance improvements in the intervention and control groups, whereas the intervention group reached a higher total score by half the size of the standard deviation. A comparison of the results of both groups supported the general effectiveness of movement therapy for improving balance in stroke rehabilitation. However, neuroathletic training exercises did not lead to a stronger effect. Moreover, the intervention group did not score significantly lower than the control group. A negative influence can therefore not be assumed. For further investigations of neuroathletic training compared to treatment-as-usual training to improve balance in stroke rehabilitation, additional studies with larger sample sizes and longer treatment periods should be conducted.Trial registration United States National Library of Medicine, NCT06391801, date: 04.29.2024.</p>","PeriodicalId":9234,"journal":{"name":"BMC Research Notes","volume":"17 1","pages":"358"},"PeriodicalIF":1.6,"publicationDate":"2024-12-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11636028/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142817302","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Candidate genes in canine hepatocellular carcinoma for molecular targeted therapy. 犬肝细胞癌分子靶向治疗候选基因。
IF 1.6
BMC Research Notes Pub Date : 2024-12-02 DOI: 10.1186/s13104-024-07016-y
Toshiyuki Tanaka, Tomoki Motegi, Misaki Mori, Nanami Sumikawa, Kaito Maeda, Yasumasa Iimori, Hideo Akiyoshi
{"title":"Candidate genes in canine hepatocellular carcinoma for molecular targeted therapy.","authors":"Toshiyuki Tanaka, Tomoki Motegi, Misaki Mori, Nanami Sumikawa, Kaito Maeda, Yasumasa Iimori, Hideo Akiyoshi","doi":"10.1186/s13104-024-07016-y","DOIUrl":"10.1186/s13104-024-07016-y","url":null,"abstract":"<p><strong>Objectives: </strong>Unresectable canine hepatocellular carcinoma (HCC) has limited nonsurgical treatment options. Sorafenib is a targeted therapy for unresectable canine HCC. However, there are limited reports on the expression of target genes. Therefore, the efficacy of the targeted therapies for canine HCC remains unclear.</p><p><strong>Data description: </strong>Liver specimens were obtained from 11 dogs with HCC and four dogs without HCC. We performed RNA seq using the mRNA extracted from the specimens. Differentially expressed genes (DEGs) between canine HCC and normal liver were explored based on previously reported molecular-targeted agents for human tumours. PARP3, DNMT1, FGF19, FGF23, and RET DEGs were upregulated, whereas KIT, FGFR2, and FGF21 DEGs were downregulated.</p>","PeriodicalId":9234,"journal":{"name":"BMC Research Notes","volume":"17 1","pages":"357"},"PeriodicalIF":1.6,"publicationDate":"2024-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11613665/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142766220","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Outcomes and experiences of music workshops for adolescents with depression and anxiety: An exploratory noncontrolled trial in Bogotá. 音乐工作坊治疗青少年抑郁和焦虑的结果和经验:波哥大一项探索性非对照试验<e:1>。
IF 1.6
BMC Research Notes Pub Date : 2024-12-02 DOI: 10.1186/s13104-024-07007-z
Carlos Gómez-Restrepo, María Camila Roldan, Karen Ariza-Salazar, Natalia Godoy-Casasbuenas, Catherine Surace Arenas, Paul Heritage, José Miguel Uribe-Restrepo, Catherine Fung, Stefan Priebe
{"title":"Outcomes and experiences of music workshops for adolescents with depression and anxiety: An exploratory noncontrolled trial in Bogotá.","authors":"Carlos Gómez-Restrepo, María Camila Roldan, Karen Ariza-Salazar, Natalia Godoy-Casasbuenas, Catherine Surace Arenas, Paul Heritage, José Miguel Uribe-Restrepo, Catherine Fung, Stefan Priebe","doi":"10.1186/s13104-024-07007-z","DOIUrl":"10.1186/s13104-024-07007-z","url":null,"abstract":"<p><strong>Objective: </strong>Adolescents frequently experience mental distress. However, there is little research on community activities that help adolescents recover from depression and anxiety. This study investigated the outcomes and experiences of music workshops for helping adolescents overcome anxiety and/or depression.</p><p><strong>Results: </strong>Thirty-four participants aged 15 and 16 years were recruited from a cohort study of adolescents with symptoms of anxiety and/or depression and invited to participate in a musical education and practice workshop consisting of five weekly sessions. At the beginning and end of the workshops, symptoms of anxiety and depression were self-rated on the GAD-7 and PHQ-8. Experiences were assessed on a brief questionnaire with open-ended questions. The average attendance of groups was 86%, but only 56% of participants attended all five sessions of the workshops. The symptom levels did not significantly change during the intervention. Experiences were largely positive. Participants appreciated the interactions in the group and the learning of new skills. Some criticized the workshops as too short and found the logistics of attending difficult.</p><p><strong>Trial registration: </strong>Current Controlled Trials ISRCTN50583823. Date Applied 18/03/2022.</p>","PeriodicalId":9234,"journal":{"name":"BMC Research Notes","volume":"17 1","pages":"355"},"PeriodicalIF":1.6,"publicationDate":"2024-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11613543/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142766270","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Data on neurophysiological and psychological responses to audio immersive experience in stereo and 3D audio formats. 立体声和3D音频格式的沉浸式音频体验的神经生理和心理反应数据。
IF 1.6
BMC Research Notes Pub Date : 2024-12-02 DOI: 10.1186/s13104-024-07009-x
Norberto E Naal-Ruiz, Hyunkook Lee, Luz M Alonso-Valerdi, David I Ibarra-Zarate
{"title":"Data on neurophysiological and psychological responses to audio immersive experience in stereo and 3D audio formats.","authors":"Norberto E Naal-Ruiz, Hyunkook Lee, Luz M Alonso-Valerdi, David I Ibarra-Zarate","doi":"10.1186/s13104-024-07009-x","DOIUrl":"10.1186/s13104-024-07009-x","url":null,"abstract":"<p><strong>Objectives: </strong>This dataset presents demographic, psychological, auditory and neurophysiological information of 31 volunteers, who participated in an experiment measuring the auditory immersive experience in two audio formats: stereophonic downmix and three-dimensional audio. This dataset could help understand the objectiveness (based on the nervous system response) behind the subjectiveness of immersion brought about by the audio format (based on the listener evaluation). The final objective of this dataset is to study the psychological and neurophysiological responses of immersive attributes in auditory events in future studies.</p><p><strong>Data description: </strong>Participants were randomly assigned to an audio format and attended two listening sessions, where soundscapes of a concert hall and urban park were randomly played. Electroencephalography, electrodermal activity, and blood volume pressure data were collected during auditory stimulation, and psychological responses to the auditory immersive experience were collected at the end of the session.</p><p><strong>Clinical trial number: </strong>Not applicable.</p>","PeriodicalId":9234,"journal":{"name":"BMC Research Notes","volume":"17 1","pages":"356"},"PeriodicalIF":1.6,"publicationDate":"2024-12-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11613761/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142766252","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimizing seedling production for the conservation of the threatened Dyckia rariflora (Bromeliaceae). 濒危凤梨科凤梨花的育苗优化保护。
IF 1.6
BMC Research Notes Pub Date : 2024-11-29 DOI: 10.1186/s13104-024-07001-5
Giselly Mota da Silva, Evandro Alves Vieira, Luiz Palhares Neto, Leilane Barbara Gomes, Markus Gastauer, Silvio J Ramos, Cecílio Frois Caldeira
{"title":"Optimizing seedling production for the conservation of the threatened Dyckia rariflora (Bromeliaceae).","authors":"Giselly Mota da Silva, Evandro Alves Vieira, Luiz Palhares Neto, Leilane Barbara Gomes, Markus Gastauer, Silvio J Ramos, Cecílio Frois Caldeira","doi":"10.1186/s13104-024-07001-5","DOIUrl":"10.1186/s13104-024-07001-5","url":null,"abstract":"<p><strong>Objectives: </strong>In vitro seed propagation can enhance plant species growth and enable the rapid production of seedlings while preserving genetic variability. This study aimed to develop in vitro seed propagation and acclimatization protocols for Dyckia rariflora to support conservation efforts of this bromeliad endemic to ferruginous campos rupestres. Seed germination and plant growth were tested using MS (Murashige & Skoog) culture medium with varying salt concentrations, sucrose levels, and the presence or absence of polyvinylpyrrolidone (PVP). Following these treatments, seedlings were acclimatized after removal from the controlled environment.</p><p><strong>Results: </strong>Germination rates varied between 65 and 90%, unaffected by treatment. The highest germination speed index was in half MS salts without PVP, while full MS salts, sucrose, and PVP slowed germination. Half MS salts resulted in seedlings with greater height, more leaves, and longer roots. Complete MS salts were less effective. No seed oxidation was observed. After 120 days of acclimatization, survival rates exceeded 70%, with plants in half MS salts and 15 g sucrose showing the best growth. In vitro propagation of D. rariflora is viable for large-scale plant production, with half MS salt and sucrose concentrations, without PVP, recommended for better plant growth and cost reduction.</p>","PeriodicalId":9234,"journal":{"name":"BMC Research Notes","volume":"17 1","pages":"354"},"PeriodicalIF":1.6,"publicationDate":"2024-11-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11605959/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142754642","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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