Asian Journal of Agriculture and Biology最新文献_第2页

Abundance of arbuscular mycorrhizal fungi in the rhizosphere of healthy anddeclining citrus in East Nusa Tenggara, Indonesia 印度尼西亚东努沙登加拉健康和衰落柑橘根际丛枝菌根真菌丰度

IF 2.2

Asian Journal of Agriculture and Biology Pub Date : 2023-01-01 DOI: 10.35495/ajab.2023.011

L. Ishaq, A. Simamora, Péter Bakó, Y. Benggu, M. M. Airthur, Effy Roefaida, Ellias St, O. Nguru

{"title":"Abundance of arbuscular mycorrhizal fungi in the rhizosphere of healthy and\u0000declining citrus in East Nusa Tenggara, Indonesia","authors":"L. Ishaq, A. Simamora, Péter Bakó, Y. Benggu, M. M. Airthur, Effy Roefaida, Ellias St, O. Nguru","doi":"10.35495/ajab.2023.011","DOIUrl":"https://doi.org/10.35495/ajab.2023.011","url":null,"abstract":"Citrus is an important commercial crop in Timor Tengah Selatan, East Nusa Tenggara, Indonesia, but many trees are suffering a decline in health. As citrus is heavily dependent on arbuscular mycorrhizal fungi (AMF), this study investigated the abundance of AMF in the rhizosphere of healthy and declining trees in citrus orchards at 12 geographical locations. In each orchard, 6 soil and 6 root samples representing 3 healthy and 3 declining trees were collected. The soil was analyzed for AMF spore abundance as well as physical (texture) and chemical properties (organic carbon, nitrogen, phosphorus, potassium, pH, and soil exchangeable capacity), while the fine roots of citrus were assessed for colonization. The data were analyzed using analysis of variance (ANOVA) where the health condition of the trees was under the geographical location/site factor. The results showed that the abundance of AMF spores was significantly affected by the geographical location from where the soils were collected, but the health condition of the trees had no effect. However, AMF colonization was significantly affected by both site and tree health. The number of AMF morphotypes tended to be higher under healthy trees than under declining trees. Soil analysis indicated that soil fertility (N and organic C) may be important for tree health. These results provided a new perspective on the possible involvement of AMF and soil nutrients in citrus decline. Further studies are required to define the interactions between AMF, soil fertility","PeriodicalId":8506,"journal":{"name":"Asian Journal of Agriculture and Biology","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69850097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Identification of key volatile flavor compounds in cigar filler tobacco leavesvia GC-IMS GC-IMS法鉴定雪茄填料烟叶中主要挥发性风味物质

IF 2.2

Asian Journal of Agriculture and Biology Pub Date : 2023-01-01 DOI: 10.35495/ajab.2023.013

Jian Wang, Yong Pan, Liping Liu, Chuang Wu, Youzhi Shi, Xiaolong Yuan

{"title":"Identification of key volatile flavor compounds in cigar filler tobacco leaves\u0000via GC-IMS","authors":"Jian Wang, Yong Pan, Liping Liu, Chuang Wu, Youzhi Shi, Xiaolong Yuan","doi":"10.35495/ajab.2023.013","DOIUrl":"https://doi.org/10.35495/ajab.2023.013","url":null,"abstract":"Cigar filler leaves are the most important component of cigar because they determine its quality. Therefore, the volatile components of eight cigar filler tobacco leaves were studied and compared using gas chromatography–ion mobility spectrometry (GC– IMS). In this study, 84 compounds with high levels of nitrogenous and ketone compounds were identified. Based on the chemometric principal component analysis (PCA) and partial least squares discriminant analysis (PLS-DA), the eight cigar samples were significantly distinguished. Meanwhile, we performed a discriminant analysis of volatile organic compounds in the eight cigar samples based on the variable importance in the projection (VIP) scores of the PLS-DA model, and revealed significant differences in the volatile compounds between the different varieties. 11 volatile compounds (VIP > 1) were screened and compared, among which triamine, acetic acid, acetone, and cyclopentanone were the main differential compounds/flavor substances. This study showed that GC–IMS can rapidly identify and compare the volatile compounds of various cigars, providing a theoretical basis for studying the differences in the volatile aroma of cigars, and laying a foundation for the breeding selection of subsequent varieties.","PeriodicalId":8506,"journal":{"name":"Asian Journal of Agriculture and Biology","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69850254","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The reliability of catechol 1,2-dioxygenase enzyme as detection factor of Pseudomonas savastanoi pv. savastanoi strains isolated from different olive growing areas in Jordan by PCR-RFLP 儿茶酚1,2-双加氧酶作为沙氏假单胞菌检测因子的可靠性。采用PCR-RFLP方法分离约旦不同橄榄产区的savastanoi菌株

Asian Journal of Agriculture and Biology Pub Date : 2023-01-01 DOI: 10.35495/ajab.2022.198

{"title":"The reliability of catechol 1,2-dioxygenase enzyme as detection factor of Pseudomonas savastanoi pv. savastanoi strains isolated from different olive growing areas in Jordan by PCR-RFLP","authors":"","doi":"10.35495/ajab.2022.198","DOIUrl":"https://doi.org/10.35495/ajab.2022.198","url":null,"abstract":"The virulence gene Catechol 1,2-dioxygenase was detected in different isolates of Pseudomonas savastanoi pv. savastanoi (Smith, 1908), through amplification of 857 bp band by Polymerase Chain Reaction, it was confirmed in all isolates that were isolated from different olive cultivars growing in different areas in Jordan. Also, digestion of the amplified PCR product of this gene for all isolates of the pathogen , using Polymerase Chain Reaction Restriction-Fragments Length Polymorphism (PCR-RFLP), it was found that the catA gene is highly conserved for all isolates, after digestion with KpnI and BamHI Endonucleases. Further identification was performed for all isolates; by biochemical tests and pathogenicity on olive seedlings, and detection the virulence gene iaaL through PCR amplification of 454bp in all isolates. Interestingly, this study revealed that detection and identification of Pseudomonas savastanoi pv. savastanoi by catA gene is reliable and certified and will give further prospects in management between olive knot through crosstalk of olive plant and their knot bacterium.","PeriodicalId":8506,"journal":{"name":"Asian Journal of Agriculture and Biology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135704912","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Seed treatment with 24-epibrassinolide improves wheat germination undersalinity stress 24-表油菜素内酯处理能提高盐胁迫下小麦的萌发率

IF 2.2

Asian Journal of Agriculture and Biology Pub Date : 2023-01-01 DOI: 10.35495/ajab.2022.076

Otie Victoria, Udo Idorenyin, Matsuura Asana, Liu Jia, Liang Shuoshuo, Shao Yang, Itam Michael Okoi, An Ping, E. A. Egrinya

{"title":"Seed treatment with 24-epibrassinolide improves wheat germination under\u0000salinity stress","authors":"Otie Victoria, Udo Idorenyin, Matsuura Asana, Liu Jia, Liang Shuoshuo, Shao Yang, Itam Michael Okoi, An Ping, E. A. Egrinya","doi":"10.35495/ajab.2022.076","DOIUrl":"https://doi.org/10.35495/ajab.2022.076","url":null,"abstract":"Salt stress is a key ecological challenge to wheat establishment at the early stage of germination, especially in drylands. A germination experiment was conducted to determine whether an exogenous seed treatment with 24-epibrassinolide could mitigate salinity stress effects on wheat germination. Seeds of the Sudanese wheat cv. Imam were treated with 24-epibrassinolide (BR 1 ) or without (BR 0 ) at eleven concentrations of sodium chloride (NaCl) (0.00, 1.56, 3.13, 4.69, 6.25, 7.81, 9.38, 10.94, 12.50, 14.06 and 15.63 dSm -1 ), in a 2 x 11 factorial experiment arranged into a completely randomized design. Seed germination was progressively delayed with increasing salinity and the daily germination was reduced significantly. The germination average time and relative injury rate increased considerably (p≤0.05) at salt levels of 7.81 dSm -1 or more. The inhibitory effects of salinity on germination were significantly (p≤0.05) reversed by seed treatment with BR 1 . Wheat cv. Imam tolerated salt stress up to 6.25 dSm -1 at BR 0 with respect to velocity of germination, germination rate, final germination rate, germination percentage and germination index, relative to no salt (0.00 dSm -1 ). An early uniform establishment of wheat in saline media could be enhanced by seed treatment with BR.","PeriodicalId":8506,"journal":{"name":"Asian Journal of Agriculture and Biology","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69850422","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Studies on bioflocculant exopolysaccharides (EPS) produced by Anabaena sp.and its application as bioflocculant for low cost harvesting of Chlorella sp. 水青藻产生物絮凝剂外多糖(EPS)及其在小球藻低成本收获中的应用研究。

IF 2.2

Asian Journal of Agriculture and Biology Pub Date : 2023-01-01 DOI: 10.35495/ajab.2022.150

Amanda Putri Irawan, Amalia Rahmawati, Ulfa Abdila Fahmi, A. Budiman, Khusnul Qonita Maghfiroh, T. Erfi̇anti̇, Dea Putri Andeska, Renata Adaranyssa, Egistha Putri, Istini Nurafifah, Brilian Ryan, Sadewo, E. Suyono

{"title":"Studies on bioflocculant exopolysaccharides (EPS) produced by Anabaena sp.\u0000and its application as bioflocculant for low cost harvesting of Chlorella sp.","authors":"Amanda Putri Irawan, Amalia Rahmawati, Ulfa Abdila Fahmi, A. Budiman, Khusnul Qonita Maghfiroh, T. Erfi̇anti̇, Dea Putri Andeska, Renata Adaranyssa, Egistha Putri, Istini Nurafifah, Brilian Ryan, Sadewo, E. Suyono","doi":"10.35495/ajab.2022.150","DOIUrl":"https://doi.org/10.35495/ajab.2022.150","url":null,"abstract":"Microalgae harvesting is critical to remove water from algal growth media with solid-liquid separation. Bioflocculation has the same principle as flocculation. Using solid-liquid separation, microalgae harvesting removes moisture from the algal growth substrate. The same idea underlies flocculation and bioflocculation. Using fungal and bacterial bioflocculants requires a special medium that is different from the microalgae medium, that fungi and bacteria can contaminate microalgae, so it is not recommended to be used as a bioflocculant agent. Microalgae Anabaena sp. was chosen in this study as a bioflocculant agent since it can produce exopolysaccharides (EPSs). Dissolved proteins and carbohydrates make up EPSs. This investigation looked into employing Anabaena species to extract Chlorella species. The harvest day was used to measure the parameters. A spectrophotometer was used to measure the precipitation percentages. Bligh and Dyer's methods were used to measure lipid contents. The phenol-sulfate was used to perform carbohydrates. Bradford method was used to quantify proteins. The ratio of 1:1.25 was determined to have the best proportion of flocculation and carbohydrate content ( Chlorella sp. : Anabaena sp.). The ratio of 1:1 was determined to have the maximum cell lipid and protein content ( Chlorella sp.: Anabaena sp.). The application of this study will be beneficial to design effective methods for harvesting microalgae using biological materials such as other microalgae.","PeriodicalId":8506,"journal":{"name":"Asian Journal of Agriculture and Biology","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69850447","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Expression and role of defense components in Bacillus subtilis treated riceplants against Xanthomonas oryzae pv. oryzae 枯草芽孢杆菌处理水稻抗水稻黄单胞菌防御组分的表达及作用。oryzae

IF 2.2

Asian Journal of Agriculture and Biology Pub Date : 2023-01-01 DOI: 10.35495/ajab.2022.161

Toan Le Thanh, N. Huy, Hoàng, K. Thumanu, Channon Saengchan, J. Daddam, Rungthip Sangpueak, N. K. Papathoti, Kumrai Buensanteai, T. LeThanh, N. Hoang, Daddam, NK Papathoti

{"title":"Expression and role of defense components in Bacillus subtilis treated rice\u0000plants against Xanthomonas oryzae pv. oryzae","authors":"Toan Le Thanh, N. Huy, Hoàng, K. Thumanu, Channon Saengchan, J. Daddam, Rungthip Sangpueak, N. K. Papathoti, Kumrai Buensanteai, T. LeThanh, N. Hoang, Daddam, NK Papathoti","doi":"10.35495/ajab.2022.161","DOIUrl":"https://doi.org/10.35495/ajab.2022.161","url":null,"abstract":"Bacterial leaf blight (BLB) of rice has a high epidemic potential and usually causes severe damage. This research was conducted to assess the efficacy and characterize the mechanism of the systemic resistance of rice plants induced by the Bacillus subtilis strain CaSUT007 to BLB. The results revealed 30% reduction in the severity of BLB in the treated rice plants, and real-time PCR measurements indicated a significant 1.1–1.2-fold increase in their concentrations of the defense genes of phenylalanine ammonia-lyase (PAL) and ascorbate peroxidase (APX). In addition, Fourier transformed infrared spectroscopy characterization of the biochemical changes in the rice leaves indicated alterations to the lignins, pectins, and amide I vibrations - these lead to the generation of defense barriers and the reinforcement of cell walls against Xanthomonas infection and invasion, thereby contributing to disease reduction. Phylogenetic trees of pal and apx revealed a significant number of polytomies among these two gene families. Moreover, analysis of the active sites of the protein PAL and APX showed one serine rotamer and a single mutation-sensitive glutamic acid residue in the region of the binding site/pocket. The possible interactions of PAL and APX with other proteins revealed insight into the defense mechanism: APX6 interacts directly with MDAR5, MDRA3, DHAR1, and other important defense proteins, while PAL has direct interactions with 4CL4, 4CLL9, and 4CL3, among other defense proteins. Therefore, treatment with the B. subtilis strain CaSUT007 promoted faster, stronger and more intense responses in rice plants against BLB.","PeriodicalId":8506,"journal":{"name":"Asian Journal of Agriculture and Biology","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69850009","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Qualitative and quantitative phytochemical analysis, antioxidant activity andantimicrobial potential of selected herbs Piper betle and Persicaria odorataleaf extracts 植物化学分析、抗氧化活性及抑菌潜力研究

IF 2.2

Asian Journal of Agriculture and Biology Pub Date : 2023-01-01 DOI: 10.35495/ajab.2023.038

M. Basit, A. Kadir, L. T. Chwen, A. Salleh, U. Kaka, S. Idris, A. A. Farooq, M. Javid, S. Murtaza

{"title":"Qualitative and quantitative phytochemical analysis, antioxidant activity and\u0000antimicrobial potential of selected herbs Piper betle and Persicaria odorata\u0000leaf extracts","authors":"M. Basit, A. Kadir, L. T. Chwen, A. Salleh, U. Kaka, S. Idris, A. A. Farooq, M. Javid, S. Murtaza","doi":"10.35495/ajab.2023.038","DOIUrl":"https://doi.org/10.35495/ajab.2023.038","url":null,"abstract":"Plants, their extracts, and plant essential oils are considered prominent sources of new therapeutic substances. Nowadays, medicinal plants like herbs attain the keen interest of consumers and researchers. The present study evaluated Piper betle ( P. betle ) and Persicaria odorata ( P. odorata ) leaf extracts for qualitative and quantitative phytochemical screening. The phytochemical analysis of P. betle and P. odorata leaf extracts presented the occurrence of tannins, flavonoids, saponins, phenols, glycosides, and volatile oils . The higher total phenolic content and total tannins were quantified from P. betle methanolic leaf extract. Additionally, it showed increased antioxidant activity compared to P. odorata leaf extracts. The in vitro antibacterial potential of both herbs was estimated against Salmonella enterica, Pseudomonas aeruginosa, Escherichia coli, Bacillus subtilis, Staphylococcus aureus, Candida albicans, and Aspergillus brasiliensis. The methanolic leaf extract of Piper betle showed antibacterial and antifungal activity against these selected strains.","PeriodicalId":8506,"journal":{"name":"Asian Journal of Agriculture and Biology","volume":null,"pages":null},"PeriodicalIF":2.2,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"69850618","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

The effects of Cryptosporidium infection on gut fungi and enzyme abundance in Sus domesticus 隐孢子虫感染对家蝇肠道真菌和酶丰度的影响

Asian Journal of Agriculture and Biology Pub Date : 2023-01-01 DOI: 10.35495/ajab.2023.114

引用次数: 0

Establishment of rice yield prediction model using soil compaction 利用土壤压实建立水稻产量预测模型

IF 2.2

Asian Journal of Agriculture and Biology Pub Date : 2023-01-01 DOI: 10.35495/ajab.2021.09.327

引用次数: 0

Sciadopitysin attenuates paraquat induced renal toxicity by modulating Nrf2/Keap-1 pathway in male albino rats Sciadopitysin通过调节雄性白化大鼠Nrf2/Keap-1通路减轻百草枯诱导的肾毒性

Asian Journal of Agriculture and Biology Pub Date : 2023-01-01 DOI: 10.35495/ajab.2023.110

{"title":"Sciadopitysin attenuates paraquat induced renal toxicity by modulating Nrf2/Keap-1 pathway in male albino rats","authors":"","doi":"10.35495/ajab.2023.110","DOIUrl":"https://doi.org/10.35495/ajab.2023.110","url":null,"abstract":"Paraquat (PQ) is a herbicide that has the potential to instigate nephrotoxicity in animals and human. Sciadopitysin (SPS) is a biflavonoid that is extracted from Taxus cuspidate and displays diverse biological activities including anti-oxidant, anti-inflammatory and anti-apoptotic. Therefore, the present investigation was designed to evaluate the mitigative potential of SPS against PQ prompted renal toxicity in albino rats. 48 male albino rats were divided into 4 groups, such as control group, PQ treated group (5 mgkg -1 ), PQ + SPS co-treated group (5 mgkg -1 and 2 mgkg -1 respectively) and only SPS treated group (2 mgkg -1 ). The exposure of PQ significantly reduced Nrf-2 as well as anti-oxidant enzymes expression, while increasing Keap-1 expression. Moreover, anti-oxidant enzymes such as, glutathione reductase (GSR), superoxide dismutase (SOD), glutathione peroxidase (GPx), catalase (CAT), glutathione-S-transferase (GST), heme oxygenase-1 (HO-1) and glutathione (GSH) activities were decreased. However, in PQ-treated rats malondialdehyde (MDA) and reactive oxygen species (ROS) contents were significantly increased. PQ exposure also increased the serum level of urea, urinary protein, urobilinogen and creatinine while decreased creatinine clearance and albumin protein levels. Moreover, KIM-1 and NGAL levels were also increased in PQ exposed rats. Additionally, inflammatory indices including nuclear factor kappa-B (NF-κB), interleukin-6 (IL-6), tumor necrosis factor-α (TNF-α) interleukin-1β (IL-1β) and cyclooxygenase-2 (COX-2) activity were increased in PQ administrated rats. Besides, it escalated the Bax and Caspase-3 expression. Contrarily, a substantial decrease was observed in anti-apoptotic marker, Bcl-2 expression. The exposure of PQ also induced significant histopathological damages in renal tissues. Nevertheless, SPS supplementation recovered all these damages due to its anti-apoptotic, anti-oxidant and anti-inflammatory nature.","PeriodicalId":8506,"journal":{"name":"Asian Journal of Agriculture and Biology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135704884","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1