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سفیدک های پودری:
مروری بر معروف ترین پاتوژن های گیاهی جهان
تهیه و تنظیم: ولی اله مهدیزاده
فهرست مطالب
چشم انداز آینده یا مسایل پیش رو 15
دهه گذشته تغیرات اساسی در دانش ما در مورد سفیدک های پودری (Erysiphales) ایجاد شده است. تحقیقات روي فیلوژنی مولکولی نشان داده است که سفيدكهاي پودري يا Erysiphalesجزء لئوشیومایست (Leotiomycetes (دیسکومیست های بدون اوپرکول) می باشند در صورتی که قبلا جزء پیرنومیست ها یا پلکتومیست ها در نظر گرفته می شدند . چرخه زندگی سفیدک ها به طور قابل توجهي متغیر می باشد و داراي هر دو مرحله جنسی و غیر جنسی یا فقط مرحله جنسی یا فقط مرحله غیر جنسی می باشد. حداقل یک گونه، کنیدی های رنگی ( (Dematiaceous conidia تولید می کند. بررسي توالی های DNAي ریبوزومی نشان می دهد که تمایز تاکسون ها در آنها بیشتر مربوط به خصوصیات غیر جنسی مانند اونتوژنی و شكل کنیدیها (در مقابل خصوصیات جنسی) می باشد. استفاده از مدل های ساعت مولکولی محققان را قادر ساخته است که الگوهای تکامل همزمان (coevoloution) و پرش میزبانی (Host-jumping) و نيز الگو های مهاجرت باستانی را بازسازی نمایند. به نظر می رسد پراکنش جغرافیایی برخی گونه ها به سرعت در حال افزایش باشد اما در مورد تنوع گونه ها در مناطق وسيعي مانند آمریکای شمالی اطلاعات کمی وجود دارد. این موضوع که احتمالاً سفیدک های پودری قبلاً تحت تاثیر تغیر آب و هوا بودهاند ، نشان ميدهد که آنها ميتوانند مدل های مفیدی برای مطالعه ی اثرات تغییر آب و هوا روی بیماری های گیاهی باشند.
معرفیNCBI و کاربرد آن در بیماری شناسی گیاهی
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سمینار کارشناسی ارشد :
فایل پاورپینت سمینار را از لینک زیر داونلود کنید:
The Indian Phytopathological Society is organizing the 5th International Conference on Plant Pathology from November 10 -13, 2009 at the Indian Agricultural Research Institute, New Delhi, India to promote exchange of knowledge and facilitate cross fertility of ideas among the fellow scientists with common goal
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INTERNATIONAL NEWSLETTER ON PLANT PATHOLOGY
ISPP Newsletter 39 (1) January 2009
Material for the Newsletter is invited from individual members of ISPP, Associated Societies, Council members, Chairs of all Committees and representatives of Affiliated Societies and Supporting Organisations.
Editor: Brian J Deverall, (E-mail)
In this issue:
Developments in Fungal Taxonomy
The role of DNA amplification technology in the diagnosis of infectious diseases
National Fusarium Head Blight Forum in Indianapolis, Indiana, USA. 2-4 December 2008. See: http://www.scabusa.org/forum08.html . Contact: scabusa@scabusa.org .
International Conference on Legume Genomics and Genetics in Puerto Vallarta, Mexico. 7-12 December 2008. See www.ccg.unam.mx/iclgg4/index.html .
Global Potato Conference 2008 "Opportunities and Challenges in the New Millennium" in New Delhi, India. December 9-12, 2008. See: www.gpc2008.in . Contact Dr J S Minhas at minhasjs@excite.com .
Second International Symposium on Papaya in Madurai, Tamil Nadu, India. 9-12 December 2008. See: http://www.ishs-papaya2008.com/Home%20page.html . Contact: Dr N Kumar kumarhort@yahoo.com .
The International Soybean Processing and Utilization Conference at the Soybean Processing and Utilization Centre, Central Institute of Agricultural Engineering in Bhopal, India. 10-14 December 2008. Contact: Dr S D Kulkarni at sdk@ciae.res.in or ispuc.v@gmail.com .
BSPP Presidential Meeting "Cereal Pathosystems" at Queen Mary College, London, UK. 16-17 December 2008. See: http://www.bsppmeetings.org.uk/ .
XV Latinamerican Congress of Plant Pathology and XVIII Congress of the Chilean Society of Plant Pathology at Pontificia Universidad Catolica de Chile in Santiago, Chile. 12-16 January 2009. Papers in English, Portuguese and Spanish are welcome. Contact Gloria Caro at gcaro@uc.cl or fitopatologia@uc.cl . See: http://www.puc.cl/agronomia/congresoalf .
The French Plant Virology Congress in Aussois, France. 18-22 January 2009.
5th Australasian Soilborne Diseases Symposium at the Thredbo Alpine Hotel, NSW, Australia. 5-7 February 2009. Registrations are now open but the deadline for abstracts was 31 October 2008. See: http://www.conlog.com.au/asds/ . Contact: conference@conlog.com.au .
International Conference on Plant Abiotic Stress Tolerance in Vienna, Austria. 8-11 February 2009. Contact: stressplants.pflanzenmolbio@univie.ac.at . See: www.univie.ac.at/stressplants/ .
Crop Protection in Southern Britain at the East of England Showground, Peterborough, UK. 10-11 February 2009 See: http://www.aab.org.uk/contentok.php?id=184&basket=wwsshowconflist .
International Meeting on Emerging Diseases and Surveillance 2009 (IMED) in Vienna, Austria. For the public health community (human and animal), scientists, health care workers, and other leaders in the field of emerging infectious diseases. 13-16 February 2009. See: http://imed.isid.org .
International Conference on Grain Legumes: Quality Improvement, Value Addition and Trade in Kanpur, India. 14-19 February 2009. See: http://www.icar.org.in/internconference.pdf .
International Forest Biosecurity Conference, incorporating the 6th International Forest Vegetation Management Conference, in Rotorua, New Zealand. 16-20 March 2009. See: http://forestbiosecurity.com/ . Contact: Dr Brian Richardson, General Manager, Ensis Forest Biosecurity and Protection, Private Bag 3020, Rotorua, New Zealand. Phone: +64-7-343-5516; Fax: +64-7-343-5333; Mobile: 021-913-221.
Borlaug Global Rust Initiative (BGRI) 2009 Technical Workshop in Sonora, Mexico. 17-19 March 2009. Note that there will be a registration fee of $US300. Contact: BGRI@cornell.edu .
FEBS Workshop 'Adaptation Potential in Plants' at the Gregor Mendel Institute of Molecular Plant Biology, Vienna, Austria. 19-21 March 2009. Contact: maria.siomos@gmi.oeaw.ac.at . See: www.gmi.oeaw.ac.at/febs2009 .
7th World Potato Congress "Nourishing Our Future" in Christchurch, New Zealand. 22-25 March 2009. See: http://www.wpcnz.org.nz/ .
Greenhouse 2009: Climate Change and Resources, in Perth, Western Australia. 23-26 March 2009. See: http://www.greenhouse2009.com .
International Conference on Plant Virology to be held at the Harrogate International Center, UK. 1-3 April 2009. See: www.aab.org.uk/contentok.php?id=73&basket=wwsshowconfdets .
The Second European Ramularia Workshop, Edinburgh 2009 - a new disease and challenge in Barley Production in Edinburgh, UK. 7-8 April 2009. See: www.aab.org.uk .
VI International Postharvest Symposium in Antalya, Turkey. 8-12 April 2009. Contact: erkan@akdeniz.edu.tr . See: http://www.postharvest2009.com/ .
Advances in epidemiology and control of rusts at Science and Advice for Scottish Agriculture (SASA), Edinburgh, UK. 22-23 April 2009. See: http://www.aab.org.uk/page.php?start=184&conf=78 .
The 5th International Conference on Biopesticides: Stakeholders' Perspective (ICOB-V 2009) in New Delhi, India. 26-30 April 2009. Contact: icob5.biopest@nic.in . See: http://www.icob5.nic.in
.
3rd International Symposium on Crop Plant Resistance to Biotic and Abiotic Factors: Current Potential and Future Demands in Berlin, Germany. 14-16 May 2009. Contact: dpg@phytomedizin.org . See: www.dpg-bcpc-symposium.de .
8th International PGPR Workshop in Portland, Oregon, USA. 17-22 May 2009. See: www.capps.wsu.edu/pgpr.
Training Program: Integrated Pest Management and Food Safety in Wageningen, The Netherlands. 18 May-12 Jun 2009. Contact: training.wi@wur.nl .
14th International Sclerotinia Workshop in Wilmington, North Carolina, USA. 31 May-4 June 2009. See: http://www.cals.ncsu.edu/sclerotinia_conference/index.html .
SFP National Congress (in French) in Lyon, France. 8-11 June 2009.
Canadian Phytopathological Society Annual General Meeting in Winnipeg, Manitoba, Canada. 22-25 June 2009. See: www.cps-scp.ca .
XXIth International Symposium on Virus and Virus-Like Diseases of Temperate Fruit Crops and XIIth International Symposium on Small Fruit Virus Diseases in Germany. 5-10 July 2009. See http://www.phytomedizin.org/index.php?id=193 . Source: Professor Dr Wilhelm Jelkmann Wilhelm.Jelkmann@jki.bund.de Julius Kühn-Institut, Bundesforschungsinstitut für Kulturpflanzen, Institut für Pflanzenschutz in Obst- und Weinbau, Schwabenheimer Str. 101, 69221 Dossenheim, Germany.
Plant ROS 2009 in Helsinki, Finland. 8-10 July 2009. Contact: organizers@pog2009.org . See: pog2009.org/ .
APS Annual Meeting 2009 at the Portland Convention Center, Portland, Oregon, USA. 1-5 August 2009. See: http://www.apsnet.org .
14th Australasian Plant Breeding Conference and 11th SABRAO Conference in Cairns, North Queensland, Australia. 10-14 August 2009. See: http://www.plantbreeding09.com.au/ .
BSPP Presidential Meeting 2009 "Celebrating Darwin's 200th Birthday" at University Museum, Oxford, UK. 22 September 2009. See: http://www.bspp.org.uk/ .
APPS 2009 "Plant Health Management-An Integrated Approach" at the Civic Precinct, Newcastle, NSW, Australia. 30 September-2 October 2009. See: http://www.apps2009.org.au/ . Contact: Conference Secretariat, PO Box 6150, Kingston, ACT 2604, Australia. Phone: +61 2 6281 6624, Fax: +61 2 6285 1336. Email: conference@conlog.com.au .
The 13th World Forestry Congress (Forests in development - a vital balance) in Buenos Aires, Argentina. 18-25 October 2009. See http://www.wfc2009.org/index_1024.html . E-mail: info@wfc2009.org .
9th International Congress on Plant Molecular Biology in St Louis, Missouri, USA. 25-30 October 2009. Contact: ipmb2009@missouri.edu . See: www.ipmb2009.org .
The 2009 International Conference on Horticulture in Bangalore, Karnataka, India. 9-12 November 2009. See: http://www.pnasf.org/ich2009.htm .
5th International Conference on Plant Pathology, with the theme "Plant pathology in the globalized era", at the Indian Agricultural Research Institute, New Delhi, India. 10-13 November 2009. Contact: ipsdis@indiatimes.com or ipsdis@yahoo.com .
National Soybean Rust Symposium in New Orleans, Louisiana, USA. 9-11 December 2009. Contact: dorrance.1@osu.edu .
9th International Mycological Congress (IMC9) in Edinburgh, Scotland, UK. 1-6 August 2010. See: http://www.imc9.info/ .
APS Annual Meeting 2010 at Opryland, Nashville, Tennessee, USA. 7-11 August 2010. See: http://www.apsnet.org .
Plant Virus Epidemiology Symposium at Cornell University, Ithaca, New York, USA. August 2010. See: http://www.isppweb.org/ICPVE/ .
XXVIII International Horticultural Congress (IHC2010) in Lisbon, Portugal. 22-27 August 2010. Contact: info@ihc2010.org . See: http://www.ihc2010.org .
The 8th International Conference on Pseudomonas syringae and Related Pathogens in Oxford, UK. 31 August-3 September 2010. See: www.reading.ac.uk/Psyringae2010 . Contact: syringae2010@plants.ox.ac.uk .
The 18th Biennial Australasian Plant Pathology Meeting and 4th Asian Conference for Plant Pathology, a Joint Conference, at the Darwin Convention Centre, Darwin, Northern Territory, Australia. 27-29 April 2011. Watch: http://www.australasianplantpathologysociety.org.au/ .
10th International Congress of Plant Pathology 2013 (ICPP2013) "Bio-security, Food Safety and Plant Pathology: The Role of Plant Pathology in a Globalized Economy" in Beijing, China. 25-31 August 2013. Watch: http://www.isppweb.org/congress.asp .
Protocols
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Fungal Genomic DNA Extraction (Contributed by Dr. Eric W. Boehm)
This procedure does not require phenol extraction. The DNA is pure enough for restriction digests, PCR and genomic library construction.
Added: Tue May 14 2002, Reviews: 2 Read reviews Write review -
DNA extraction from Coccidioides (Fungal Genetics Stock Center)
A safe and convenient method of extracting DNA from such fungi in which the culture is killed by steaming, allowing removal from the containment facilities, as soon as possible.
http://www.fgsc.net/fgn42/burt.html
Added: Mon Dec 09 2002, Hits: 1284, Reviews: 0 Write review Cached -
DNA Isolation for PCR from Fusarium (Fungal Genetics Stock Center)
A method for isolating DNA without grinding from Fusarium cultures grown on agar slants using a modification of the SDS miniprep method.
http://www.fgsc.net/fgn38/duteau.html
Added: Mon Dec 09 2002, Hits: 2472, Reviews: 0 Write review Cached -
DNA Isolation from Fungal (Lazo Lab)
http://wheat.pw.usda.gov/~lazo/methods/lazo/dnafun...
Added: Tue May 14 2002, Hits: 4139, Reviews: 0 Write review Cached -
Fast DNA extraction from Neurospora (Fungal Genetics Stock Center)
A simple method for growing Neurospora and for isolation of DNA that may be performed in two days from start to finish. The growth of mycelia in Petri plates eliminates the need for large numbers of flasks when growing many cultures for DNA isolation
http://www.fgsc.net/fgn/camb.html
Added: Mon Nov 18 2002, Hits: 1365, Reviews: 0 Write review Cached -
Growing Fungi for DNA Extraction (Fungal Genetics Stock Center)
Use of reverse agar for cultivation of fungi for DNA extraction
http://www.fgsc.net/fgn41/seifert.html
Added: Mon Nov 18 2002, Hits: 2490, Reviews: 0 Write review Cached -
Quick RNA Miniprep from Neurospora(ATA) (Fungal Genetics Stock Center)
The method involves the use of a triphenylmethane dye, aurintricarboxylic (ATA), to protect the RNA
http://www.fgsc.net/fgn37/lindgren.html
Added: Mon Dec 09 2002, Hits: 646, Reviews: 0 Write review Cached -
RNA Miniprep from Neurospora (Fungal Genetics Stock Center)
Procedures of RNA extraction published so far follow roughly three different approaches, where phenol/chloroform, guanidinium salts, and/or LiCl is used. However, these protocols have some disadvantages. This method, combining the advantages of phenol extraction and LiCl precipitation, is for isolating high quality total RNA from N. crassa mycelia that reliably yields large quantities.
http://www.fgsc.net/fgn37/sokol.html
Added: Mon Dec 09 2002, Hits: 985, Reviews: 0 Write review Cached -
Small-scale DNA prep from Neurospora (Fungal Genetics Stock Center)
Molecular biology experiments often require preparation of small amounts of DNA from many samples. This abbreviated DNA isolation method yields an average of 0.6 micrograms of genomic DNA that is suitable for Southern analysis or PCR
http://www.fgsc.net/fgn/irelan.html
Added: Mon Dec 09 2002, Hits: 840, Reviews: 0 Write review Cached -
Total DNA Isolation from Filamentous Fungi (Fungal Genetics Stock Center)
Most methods of DNA preparation from fungi are time-consuming due to the need to first make protoplasts, expensive for chemicals such as cesium chloride, or suitable only for small scale preparations. This protocol describes a simple method for total DNA preparation, yielding a product of quality suitable for restriction digestion and library construction.
http://www.fgsc.net/fgn37/borges.html
Added: Mon Dec 09 2002, Hits: 3591, Reviews: 0 Write review Cached

