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020 ▼a 9780438324855
035 ▼a (MiAaPQ)AAI10816955
035 ▼a (MiAaPQ)berkeley:17886
040 ▼a MiAaPQ ▼c MiAaPQ ▼d 248032
0820 ▼a 581
1001 ▼a Scheibel, Katherine E.
24510 ▼a Identification and Characterization of Effector Proteins and Genomic Analysis of the Cucurbit Powdery Mildew Golovinomyces cichoracearum .
260 ▼a [S.l.] : ▼b University of California, Berkeley., ▼c 2018
260 1 ▼a Ann Arbor : ▼b ProQuest Dissertations & Theses, ▼c 2018
300 ▼a 315 p.
500 ▼a Source: Dissertation Abstracts International, Volume: 80-01(E), Section: B.
500 ▼a Adviser: Shauna C. Somerville.
5021 ▼a Thesis (Ph.D.)--University of California, Berkeley, 2018.
520 ▼a Powdery mildew, a fungal disease of plants, is one of the most significant causes of crop disease and yield loss worldwide. Collectively, this group of pathogens infects a diverse set of plant hosts, including wheat, barley, grape, and ornamenta
520 ▼a When exposed to a susceptible host, G. cichoracearum forms a feeding structure within the plant cell, known as a haustorium. The fungus initiates changes in plant cell structure, gene expression, and nutrient transport to allow for its survival
520 ▼a Here, we describe the development of an Agrobacterium tumefaciens -mediated tool for transiently silencing G. cichoracearum genes during infection of Arabidopsis. We demonstrate that this technique can be successfully employed at the early stag
520 ▼a We then describe efforts to characterize these effectors in terms of gene expression, sub-cellular localization, the identification of plant interacting partners, bioinformatic prediction, and their roles in the suppression of the plant immune r
520 ▼a GcEC10 is characterized as an RNase-like protein and is localized in the plant cytosol and nucleus. GcEC10 may interact with Arabidopsis proteins AtEDR4 and AtPHOS32, two proteins implicated in the plant immune response to pathogens. We determin
520 ▼a GcEC8 shares no sequence or domain homology with any proteins outside of the powdery mildews, and may interact with the plant protein AXR3, an auxin-responsive transcription factor. We propose that GcEC8 may interfere with the plant auxin respon
520 ▼a GcEC17 is a highly-conserved powdery mildew effector, and is also characterized as an RNase-like protein. GcEc17 is localized in the plant nucleus and cytosol. Two hypothetical Arabidopsis genes, At4g29905 and At3g32930, were predicted to intera
520 ▼a We further describe efforts towards transient plasmid transformation of G. cichoracearum, which we hope will eventually lead to the ability of researchers to introduce the Cas9 genome editing system into the fungus. This might allow for the crea
520 ▼a Finally, we describe a method developed to achieve the purification of high molecular weight genomic DNA from G. cichoracearum suitable for Pacific Biosciences Single Molecule Long-Read Sequencing, and the analysis of the genome sequence obtaine
520 ▼a These experiments provide some of the first insights into the genome and effector biology of the enigmatic plant pathogen G. cichoracearum . By combining novel molecular techniques with next-generation sequencing approaches, we now have a more c
590 ▼a School code: 0028.
650 4 ▼a Plant pathology.
690 ▼a 0480
71020 ▼a University of California, Berkeley. ▼b Plant Biology.
7730 ▼t Dissertation Abstracts International ▼g 80-01B(E).
773 ▼t Dissertation Abstract International
790 ▼a 0028
791 ▼a Ph.D.
792 ▼a 2018
793 ▼a English
85640 ▼u http://www.riss.kr/pdu/ddodLink.do?id=T14998305 ▼n KERIS
980 ▼a 201812 ▼f 2019
990 ▼a 관리자