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שלח באימייל הדפס
Name: Sigal Brown, Ph.D. (Researcher)
Units: Plant ProtectionEntomology and the Nematology and Chemistry units
Research Interests / Job description  
Tel:  972-3-9683671
Cell: 972-50-6220084
Email:    sigalhor@volcani.agri.gov.il
Office location:Nematology Unit, Plant Protection Institute
Address:Dept. of Entomology and the Nematology and Chemistry units, ARO, The Volcani Center
Derech Hamacabim 68, Bet Dagan 50250


Research Interests / Job description
1.Understanding the molecular interaction leading to resistance or susceptibility to plant parasitic nematode. Identification and characterization of nematodes and plants effectors involved in early recognition events in the plant nematode interaction.
2. Molecular characterization of "resistance breaking" root knot nematodes populations.
3. Studying nematodes occurence in deciduous plants, grapevine and olive trees and screening rootstocks for nematodes resistance.



Iberkleid. I., Ozalvo, R., Feldman, L., Elbaz, M., Patricia, B. and Brown Horowitz, S. (2013). Responses of tomato genotypes to avirulent and Mi-Virulent Meloidogyne javanica isolates occurring in Israel. Phytopathology. (in press)

Ozalvo, R., Cabrera, J., Escobar, C., Castresana, C., Shawn, A. C., Kolomiets, M. V., Iberkleid, I. and Brown Horowitz, S. (2013). Two closely member of Arabidopsis 13-LOXs, LOX3 and LOX4 reveals distinct function in response to plant parasitic nematode infection. Molecular Plant Pathology. (in press)

Iberkleid, I., Paulo, V., de Almeida Engler, J., Spiegel, Y. and Brown Horowitz, S. (2013). Mj-FAR-1, a Fatty Acid-and Retinol-Binding protein secreted by Root-Knot Nematodes is required for tomato host susceptibility to Meloidogyne javanica. PLoS ONE 8(5): e64586. doi:10.1371/journal.pone.0064586.

Barad, S., Brown Horowitz, S., Kobiler, I., Sherman, A., and Prusky, D. (2013). Accumulation of the mycotoxin patulin in the presence of gluconic acid  contributes to pathogenicity of Penicillium expansum. MPMI. http://dx.doi.org/10.1094/MPMI-05-13-0138-R

Barad, S., Brown Horowitz, S., Moskovitch, O., Lichter, A., Sherman, A. and Prusky, D. (2012). Penicillium expansum Glucose Oxidase-Encoding Gene, GOX2, Is Essential for Gluconic Acid Production and Acidification During Colonization of Deciduous Fruit. MPMI 25:779-88.

Georgianna, D.R., Fedorova, N.D., Burroughs, J.L., Dolezal, A.L., Bok, J.W., Horowitz Brown, S., Woloshuk, C., Yu, J., Keller, N.P. and Payne, G.A. (2009). Beyond aflatoxin: four distinct expression patterns and functional roles associated with Aspergillus flavus secondary metabolism gene clusters. Mol. Plant  Pathol. 11: 213-226.

Gao, X., Brodhagen, M., Isakeit, T., Horowitz Brown, S., Göbel, C., Betran, J., Feussner, I., Keller, N. P. and Kolomiets, M. V. (2009). Inactivation of the lipoxygenase ZmLOX3 increases susceptibility of maize to Aspergillus spp. MPMI. 22(2):222-31.

Horowitz Brown, S., Scott, B. J., Bhaheetharan, J.,  Sharpee, W. C., Milde, L.  and Keller, N. P. (2009). Oxygenases coordination is required for morphological transition and the host/fungal interaction of Aspergillus flavus MPMI. 22:882-894.

Horowitz Brown, S., Zarnowski, R., Sharpee, W.C. and Keller, N. P. (2008). Morphological transitions governed   by density dependence and lipoxygenase activity in Aspergillus flavus. Appl. Environ. Microb.  74: 5674-5685.

Horowitz Brown, S., Yarden, O., Gollop, N., Chen, S., Zveibil, A., Belausov, E. Freeman, S. (2008). Differential protein expression in Colletotrichum acutatum: changes associated with reactive oxygen species (ROS) and nitrogen starvation implicated in  pathogenicity on strawberry. Mol. Plant. Pathol. 9:171-190.

Horowitz S., Freeman S., Zveibil A. and Yarden O. (2006). A defect in nir1, a nirA-like transcription factor, confers morphological abnormalities and loss of pathogenicity in Colletotrichum acutatum. Mol. Plant. Pathol. 7:341-354.

Horowitz S., Yarden O., Zveibil A. and Freeman S. (2004). Development of a robust screening method for pathogenicity of Colletotrichum spp. on strawberry seedlings enabling forward genetic studies. Plant Dis. 88:845-851.

 Horowitz S., Freeman S. and Sharon A. (2002). Use of GFP transgenic strains to study pathogenic and non-pathogenic lifestyles in Colletotrichum. Phytopathology. 92:743-749.

Freeman S., Horowitz S. and Sharon A. (2001). Pathogenic and Nonpathogenic lifestyles in Colletotrichum acutatum from strawberry and other plants. Phytopathology. 91:986-992.


 Articles in non-reviewed journals (hebrew)

הורוביץ סיגל, שרון עמיר ופרימן סטנלי. 2001. תחום פונדקאים וכושר ההשרדות של הפטריה Colletotrichum acutatum מתות שדה. גן שדה ומשק 8: 61-66.

צויבל אאידה, הורוביץ סיגל ופרימן סטנלי. 2003. זיהוי ואיפיון כושר ההשרדות של הפטריה Phytophthora cactorum הגורמת לריקבון הכתר בתות שדה בישראל. גן שדה ומשק 9:65-70.

סיגל בראון הורוביץ ורחל אוזלבו. 2010. שבירת עמידות לנמטודות יוצרות עפצים בעגבניות: הגברת המודעות  ודרכים להתמודדות. שדה וירק, מוסף מיוחד להגנת הצומח, גיליון 18: 39-42.

רחל אוזלבו, דורון הולנד, שמעון אנטמן וסיגל בראון הורוביץ. 2012. עמידות כנות גלעיניים לנמטודה יוצרת עפצים Meloidogyne spp.  . עלון הנוטע, מוסף מיוחד לזית, שקד ועוד גפן, גיליון 66: 29-33.  

סיגל בראון הורוביץ, רחל אוזלבו, מנחם בורנשטיין, רן שולחני, מייקל לופטהאוס ודני שטיינברג. 2013. השפעת גומלין חיובית בין החיידק  Clavibacter michiganensis subsp. michiganensis מחולל מחלת הכיב החיידקי בעגבנייה לנמטודת יוצרת העפצים Meloidogyne javanica. האלימים השניים מהאחד? שדה וירק, גיליון 255: 44-49.

 Book Chapters:

Prusky, D., Alkan, N., Miyara, I., Barad, S., Davidzon, M., Kobiler,  Brown Horowitz, S., Lichter, A.., Sherman, A. and Fluhr, R. (2009). Mechanisms Modulating Postharvest Pathogen Colonization of Decaying Fruits. PP. 43-55. In: Post Harvest Pathology. eds. Prusky, D. and Gullino, M.L. Springer Netherlands

Escobar, C., Goellner-Mitchum, M., Brown-Horowitz Sigal (2011). Transcriptomic and proteomic analysis of the plant response to nematode infection. In: Exploiting genomics and molecular biology to understand plant-nematode interactions. Jones, J., Fenoll, C. and  Gheysen,  L. Eds. Springer.

Updated on: 12/02/15 13:33
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