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1. Seed Transmission Rates of Bean pod mottle virus and Soybean mosaic virus in Soybean May Be Affected by Mixed Infection or Expression of the Kunitz Trypsin Inhibitor

Author:
Nam, Moon; Bai, Hanhong; Hammond, John; Domier, Leslie L.; Youn, Young-Nam; Lee, Bong-Choon; Lim, Hyoun-Sub
Source:
Research in Plant Disease 2013 v.19 no.2 pp. 114
ISSN:
2233-9191
Subject:
trypsin inhibitors,   etc   ; Bean pod mottle virus; Soybean mosaic virus; digestion; disease transmission; gene expression; genes; insects; mixed infection; mutation; plant viruses; seed-borne diseases; trypsin;     Show all 13 Subjects
Abstract:
... To facilitate their spread, plant viruses have developed several methods for dispersal including insect and seed transmission. While insect transmission requires virus stability against insect digestion, seed-transmitted viruses have to overcome barriers to entry into embryos. Bean pod mottle virus (BPMV) is transmitted through seed at levels typically below 0.1%, but co-infection with Soybean mos ...
Handle:
10113/58414
DOI:
10.5423/RPD.2013.19.2.114

2. Nicotiana attenuata LECTIN RECEPTOR KINASE1 Suppresses the Insect-Mediated Inhibition of Induced Defense Responses during Manduca sexta Herbivory

Author:
Gilardoni, Paola A.; Hettenhausen, Christian; Baldwin, Ian T.; Bonaventure, Gustavo
Source:
The plant cell 2011 v.23 no.9 pp. 3512-3532
ISSN:
1040-4651
Subject:
trypsin inhibitors,   etc   ; Manduca sexta; Nicotiana; RNA interference; genes; herbivores; jasmonic acid; larvae; nicotine; receptors; salicylic acid; secretion;     Show all 12 Subjects
Abstract:
... Nicotiana attenuata has the capacity to respond specifically to herbivory by its natural herbivore, Manduca sexta, through the perception of elicitors in larval oral secretions. We demonstrate that Lectin receptor kinase 1 (LecRK1) functions during M. sexta herbivory to suppress the insect-mediated inhibition of jasmonic acid (JA)–induced defense responses. Gene function analysis performed by redu ...
DOI:
10.1105/tpc.111.088229
PubMed:
21926334
PubMed Central:
PMC3203443

3. NaJAZh Regulates a Subset of Defense Responses against Herbivores and Spontaneous Leaf Necrosis in Nicotiana attenuata Plants

Author:
Oh, Youngjoo; Baldwin, Ian T.; Gális, Ivan
Source:
Plant physiology 2012 v.159 no.2 pp. 769-788
ISSN:
0032-0889
Subject:
trypsin inhibitors,   etc   ; Nicotiana; RNA interference; genes; herbivores; hydrogen peroxide; jasmonic acid; leaves; necrosis; nicotine; plant development; planting; proteins; roots; salicylic acid; tobacco; volatile organic compounds;     Show all 17 Subjects
Abstract:
... The JASMONATE ZIM DOMAIN (JAZ) proteins function as negative regulators of jasmonic acid signaling in plants. We cloned 12 JAZ genes from native tobacco (Nicotiana attenuata), including nine novel JAZs in tobacco, and examined their expression in plants that had leaves elicited by wounding or simulated herbivory. Most JAZ genes showed strong expression in the elicited leaves, but NaJAZg was mainly ...
DOI:
10.1104/pp.112.193771
PubMed:
22496510
PubMed Central:
PMC3375940

4. Ectopic Expression of AtJMT in Nicotiana attenuata: Creating a Metabolic Sink Has Tissue-Specific Consequences for the Jasmonate Metabolic Network and Silences Downstream Gene Expression

Author:
Stitz, Michael; Gase, Klaus; Baldwin, Ian T.; Gaquerel, Emmanuel
Source:
Plant physiology 2011 v.157 no.1 pp. 341-354
ISSN:
0032-0889
Subject:
trypsin inhibitors,   etc   ; Arabidopsis thaliana; Manduca sexta; Nicotiana; biosynthesis; gene expression; gene silencing; genes; jasmonic acid; methyl jasmonate; petioles; secretion; transgenic plants;     Show all 13 Subjects
Abstract:
... To create a metabolic sink in the jasmonic acid (JA) pathway, we generated transgenic Nicotiana attenuata lines ectopically expressing Arabidopsis (Arabidopsis thaliana) jasmonic acid O-methyltransferase (35S-jmt) and additionally silenced in other lines the N. attenuata methyl jasmonate esterase (35S-jmt/ir-mje) to reduce the deesterification of methyl jasmonate (MeJA). Basal jasmonate levels did ...
DOI:
10.1104/pp.111.178582
PubMed:
21753114
PubMed Central:
PMC3165883

5. Two mitogen-activated protein kinase kinases, MKK1 and MEK2, are involved in wounding- and specialist lepidopteran herbivore Manduca sexta-induced responses in Nicotiana attenuata

Author:
Heinrich, Maria; Baldwin, Ian T.; Wu, Jianqiang
Source:
Journal of experimental botany 2011 v.62 no.12 pp. 4355-4365
ISSN:
0022-0957
Subject:
trypsin inhibitors,   etc   ; Manduca sexta; Nicotiana; ethylene; gene silencing; genes; herbivores; jasmonic acid; mitogen-activated protein kinase; phosphorylation; proteins; secondary metabolites; secretion; wild plants;     Show all 14 Subjects
Abstract:
... In a wild tobacco plant, Nicotiana attenuata, two mitogen-activated protein kinases (MAPKs), salicylic acid-induced protein kinase (SIPK) and wound-induced protein kinase (WIPK), play central roles in modulating herbivory-induced phytohormone and anti-herbivore secondary metabolites. However, the identities of their upstream MAPK kinases (MAPKKs) were elusive. Ectopic overexpression studies in N. ...
DOI:
10.1093/jxb/err162
PubMed:
21610019
PubMed Central:
PMC3153688

6. Identification of genes required for Cf-dependent hypersensitive cell death by combined proteomic and RNA interfering analyses

Author:
Xu, Qiu-Fang; Cheng, Wei-Shun; Li, Shuang-Sheng; Li, Wen; Zhang, Zhi-Xin; Xu, You-Ping; Zhou, Xue-Ping; Cai, Xin-Zhong
Source:
Journal of experimental botany 2012 v.63 no.7 pp. 2421-2435
ISSN:
0022-0957
Subject:
trypsin inhibitors,   etc   ; tomatoes; RNA interference; Xanthomonas oryzae pv. oryzae; aspartate-ammonia ligase; cell death; plant diseases and disorders; Nicotiana benthamiana; G-proteins; genes; disease resistance; RNA; mitogen-activated protein kinase; pathogens; Passalora fulva;     Show all 15 Subjects
Abstract:
... Identification of hypersensitive cell death (HCD) regulators is essential to dissect the molecular mechanisms underlying plant disease resistance. In this study, combined proteomic and RNA interfering (RNAi) analyses were employed to identify genes required for the HCD conferred by the tomato resistance gene Cf-4 and the Cladosporium fulvum avirulence gene Avr4. Forty-nine proteins differentially ...
DOI:
10.1093/jxb/err397
PubMed:
22275387
PubMed Central:
PMC3346213

7. Pest Protection Conferred by a Beta vulgaris Serine Proteinase Inhibitor Gene

Author:
Smigocki, Ann C.; Ivic-Haymes, Snezana; Li, Haiyan; Savić, Jelena; Doucet, Daniel
ISSN:
1932-6203
Subject:
trypsin inhibitors,   etc   ; Agrotis ipsilon; Beta vulgaris; Heliothis virescens; Manduca sexta; Nicotiana benthamiana; Spodoptera exigua; Spodoptera frugiperda; Western blotting; abnormal development; gels; gene overexpression; genes; homozygosity; insect control; insect pests; larvae; leaves; messenger RNA; midgut; moths; polyclonal antibodies; progeny; pupae; serine proteinases; sugar beet; tobacco; transgenic plants;     Show all 28 Subjects
Abstract:
... Proteinase inhibitors provide a means of engineering plant resistance to insect pests. A Beta vulgaris serine proteinase inhibitor gene (BvSTI) was fused to the constitutive CaMV35S promoter for over-expression in Nicotiana benthamiana plants to study its effect on lepidopteran insect pests. Independently derived BvSTI transgenic tobacco T2 homozygous progeny were shown to have relatively high BvS ...
DOI:
10.1371/journal.pone.0057303
PubMed:
23468963
PubMed Central:
PMC3582505

8. The Chloroplast-Localized Phospholipases D α4 and α5 Regulate Herbivore-Induced Direct and Indirect Defenses in Rice

Author:
Qi, Jinfeng; Zhou, Guoxin; Yang, Lijuan; Erb, Matthias; Lu, Yanhua; Sun, Xiaoling; Cheng, Jiaan; Lou, Yonggen
Source:
Plant physiology 2011 v.157 no.4 pp. 1987-1999
ISSN:
0032-0889
Subject:
trypsin inhibitors,   etc   ; 1-aminocyclopropane-1-carboxylate synthase; Apanteles; Arabidopsis thaliana; Chilo suppressalis; Nilaparvata lugens; Oryza sativa; acid treatment; boring insects; ethylene; gene expression; genes; leaves; linolenic acid; mitogen-activated protein kinase; phospholipase D; plant response; protein synthesis;     Show all 18 Subjects
Abstract:
... The oxylipin pathway is of central importance for plant defensive responses. Yet, the first step of the pathway, the liberation of linolenic acid following induction, is poorly understood. Phospholipases D (PLDs) have been hypothesized to mediate this process, but data from Arabidopsis (Arabidopsis thaliana) regarding the role of PLDs in plant resistance have remained controversial. Here, we clone ...
DOI:
10.1104/pp.111.183749
PubMed:
21984727
PubMed Central:
PMC3327179

9. The spectrum of low molecular weight alpha-amylase/protease inhibitor genes expressed in the US bread wheat cultivar Butte 86

Author:
Altenbach, Susan B.; Vensel, William H.; Dupont, Frances M.
Source:
BMC Research Notes 2011 v.4 no.1 pp. 242
ISSN:
1756-0500
Subject:
trypsin inhibitors,   etc   ; Triticum aestivum; alpha-amylase; chymotrypsin; cultivars; databases; expressed sequence tags; gene expression; genes; plant proteins; protein composition; protein synthesis; proteomics; tandem mass spectrometry; wheat; wheat flour; United States;     Show all 17 Subjects
Abstract:
... Wheat grains accumulate a variety of low molecular weight proteins that are inhibitors of alpha-amylases and proteases and play an important protective role in the grain. These proteins have more balanced amino acid compositions than the major wheat gluten proteins and contribute important reserves for both seedling growth and human nutrition. The alpha-amylase/protease inhibitors also are of inte ...
Handle:
10113/60462
DOI:
10.1186/1756-0500-4-242
PubMed:
21774824
PubMed Central:
PMC3154163

10. Identification and characterization of Bph14, a gene conferring resistance to brown planthopper in rice

Author:
Du, Bo; Zhang, Weilin; Liu, Bingfang; Hu, Jing; Wei, Zhe; Shi, Zhenying; He, Ruifeng; Zhu, Lili; Chen, Rongzhi; Han, Bin; He, Guangcun
Source:
Proceedings of the National Academy of Sciences of the United States of America 2009 v.106 no.52 pp. 22163-22168
ISSN:
0027-8424
Subject:
trypsin inhibitors,   etc   ; Oryza sativa; rice; Nilaparvata lugens; insect pests; pest resistance; genes; plant proteins; gene expression; messenger RNA; vascular bundles; salicylic acid; signal transduction; callose; phloem; antibiosis;     Show all 16 Subjects
Abstract:
... Planthoppers are highly destructive pests in crop production worldwide. Brown planthopper (BPH) causes the most serious damage of the rice crop globally among all rice pests. Growing resistant varieties is the most effective and environment-friendly strategy for protecting the crop from BPH. More than 19 BPH-resistance genes have been reported and used to various extents in rice breeding and produ ...
DOI:
10.1073/pnas.0912139106
PubMed:
20018701
PubMed Central:
PMC2793316

11. Molecular responses of Lotus japonicus to parasitism by the compatible species Orobanche aegyptiaca and the incompatible species Striga hermonthica

Author:
Hiraoka, Yukihiro; Ueda, Hiroaki; Sugimoto, Yukihiro
Source:
Journal of experimental botany 2009 v.60 no.2 pp. 641-650
ISSN:
0022-0957
Subject:
trypsin inhibitors,   etc   ; Lotus corniculatus var. japonicus; Orobanche aegyptiaca; Striga hermonthica; gene expression; genes; host plants; jasmonic acid; parasitism; suppression subtractive hybridization;     Show all 10 Subjects
Abstract:
... Lotus japonicus genes responsive to parasitism by the compatible species Orobanche aegyptiaca and the incompatible species Striga hermonthica were isolated by using the suppression subtractive hybridization (SSH) strategy. O. aegyptiaca and S. hermonthica parasitism specifically induced the expression of genes involved in jasmonic acid (JA) biosynthesis and phytoalexin biosynthesis, respectively. ...
DOI:
10.1093/jxb/ern316
PubMed:
19088337
PubMed Central:
PMC2651452

12. Jasmonate-Dependent and -Independent Pathways Mediate Specific Effects of Solar Ultraviolet B Radiation on Leaf Phenolics and Antiherbivore Defense

Author:
Demkura, Patricia V.; Abdala, Guillermina; Baldwin, Ian T.; Ballaré, Carlos L.
Source:
Plant physiology 2010 v.152 no.2 pp. 1084-1095
ISSN:
0032-0889
Subject:
trypsin inhibitors,   etc   ; Nicotiana; chlorogenic acid; gene expression; genes; genotype; herbivores; insects; jasmonic acid; leaves; metabolism; methyl jasmonate; phenolic compounds; plant protection; plant-insect relations; rutin; signal transduction; ultraviolet radiation;     Show all 18 Subjects
Abstract:
... Ultraviolet B (UV-B) radiation, a very small fraction of the daylight spectrum, elicits changes in plant secondary metabolism that have large effects on plant-insect interactions. The signal transduction pathways that mediate these specific effects of solar UV-B are not known. We examined the role of jasmonate signaling by measuring responses to UV-B in wild-type and transgenic jasmonate-deficient ...
DOI:
10.1104/pp.109.148999
PubMed:
20007446
PubMed Central:
PMC2815854

13. Sebacina vermifera Promotes the Growth and Fitness of Nicotiana attenuata by Inhibiting Ethylene Signaling

Author:
Barazani, Oz; von Dahl, Caroline C.; Baldwin, Ian T.
Source:
Plant physiology 2007 v.144 no.2 pp. 1223-1232
ISSN:
0032-0889
Subject:
trypsin inhibitors,   etc   ; 1-aminocyclopropane-1-carboxylic acid; Manduca sexta; Nicotiana; Sebacina; aminocyclopropanecarboxylate oxidase; ethylene; ethylene production; fungi; genes; herbivores; jasmonic acid; plant growth; secretion; seed germination; seedlings; seeds;     Show all 17 Subjects
Abstract:
... Sebacina vermifera, a growth-promoting endophytic fungus, significantly increases Nicotiana attenuata's growth but impairs both its herbivore resistance and its accumulation of the costly, jasmonic acid (JA)-regulated defense protein, trypsin proteinase inhibitor (TPI). To determine if the fungi's growth-promoting effects can be attributed to lower TPI-related defense costs, we inoculated transfor ...
DOI:
10.1104/pp.107.097543
PubMed:
17416638
PubMed Central:
PMC1914189

14. Caterpillar saliva interferes with induced Arabidopsis thaliana defence responses via the systemic acquired resistance pathway

Author:
Weech, Marie-Hélène; Chapleau, Mélanie; Pan, Li; Ide, Christine; Bede, Jacqueline C.
Source:
Journal of experimental botany 2008 v.59 no.9 pp. 2437-2448
ISSN:
0022-0957
Subject:
trypsin inhibitors,   etc   ; Arabidopsis thaliana; Spodoptera exigua; catechol oxidase; gene expression; genes; genetic markers; genotype; glucose oxidase; jasmonic acid; larvae; models; mutants; plant hormones; plant secretions and exudates; proteins; saliva; secretion; systemic acquired resistance;     Show all 19 Subjects
Abstract:
... Arabidopsis thaliana (L.) Heynh. genotypes limited in their ability to mount either octadecanoid-dependent induced resistance (IR⁻) or systemic acquired resistance (SAR⁻) were used to characterize the roles of these pathways in plant-herbivore interactions. Molecular and biochemical markers of IR were analysed in plants subject to herbivory by caterpillars of the beet armyworm, Spodoptera exigua H ...
DOI:
10.1093/jxb/ern108
PubMed:
18487634
PubMed Central:
PMC2423655

15. Silencing Geranylgeranyl Diphosphate Synthase in Nicotiana attenuata Dramatically Impairs Resistance to Tobacco Hornworm

Author:
Jassbi, Amir Reza; Gase, Klaus; Hettenhausen, Christian; Schmidt, Axel; Baldwin, Ian T.
Source:
Plant physiology 2008 v.146 no.3 pp. 974-986
ISSN:
0032-0889
Subject:
trypsin inhibitors,   etc   ; Escherichia coli; Manduca sexta; Nicotiana; Northern blotting; antifeedants; artificial diets; bioassays; biosynthesis; carotenoids; chlorophyll; diterpenoids; enzymes; gas chromatography; gene silencing; genes; glycosides; herbivores; larvae; leaves; nicotine; polymerase chain reaction; putrescine; radio; recombinant proteins; steroids;     Show all 26 Subjects
Abstract:
... In bioassays with artificial diets, the 17-hydroxygeranyllinalool diterpenoid glycosides (HGL-DTGs) of Nicotiana attenuata function as antifeedants for the plant's adapted herbivore, tobacco hornworm (Manduca sexta). To determine whether HGL-DTGs have a defensive function in planta, we suppressed HGL-DTG production by silencing the source of the geranylgeranyl diphosphates (GGPPs) required for ger ...
DOI:
10.1104/pp.107.108811
PubMed:
17965175
PubMed Central:
PMC2259063

16. Identification of Maize Kernel Endosperm Proteins Associated with Resistance to Aflatoxin Contamination by Aspergillus flavus

Author:
Chen, Z.Y.; Brown, R.L.; Damann, K.E.; Cleveland, T.E.
Source:
Phytopathology 2007 v.97 no.9 pp. 1094
ISSN:
0031-949X
Subject:
trypsin inhibitors,   etc   ; Zea mays; corn; Aspergillus flavus; aflatoxins; embryo (plant); endosperm; plant proteins; genotype; disease resistance; genetic resistance; proteomics; gene expression regulation; peptides; amino acid sequences; antioxidants; heat shock proteins; genes; peroxidases; enzyme activity;     Show all 20 Subjects
Abstract:
... Aflatoxins are carcinogens produced mainly by Aspergillus flavus during infection of susceptible crops such as maize (Zea mays). Previously, embryo proteins from maize genotypes resistant or susceptible to A. flavus infection were compared using proteomics, and resistance-associated proteins were identified. Here, we report the comparison of maize endosperm proteins from five resistant and five su ...
Handle:
10113/13947
DOI:
10.1094/PHYTO-97-9-1094
PubMed:
18944174

17. Characterization of the Zinc-Containing Metalloprotease Encoded by zpx and Development of a Species-Specific Detection Method for Enterobacter sakazakii

Author:
Kothary, M.H.; McCardell, B.A.; Frazar, C.D.; Deer, D.; Tall, B.D.
Source:
Applied and environmental microbiology 2007 v.73 no.13 pp. 4142-4151
ISSN:
0099-2240
Subject:
trypsin inhibitors,   etc   ; Serratia proteamaculans; metalloproteinases; nucleotides; chromatography; Anabaena; isoelectric point; gels; filtration; genes; hydrophobicity; amino acids; Cronobacter sakazakii; infant formulas; molecular weight; fluorides; cell culture; polymerase chain reaction; amino acid sequences; pathogenicity; casein; temperature; Chinese hamsters; ammonium sulfate; chickens; Pectobacterium carotovorum; meningitis; consensus sequence; zinc; sheep; erythrocytes; cell harvesting; polymyxin B; pH;     Show all 34 Subjects
Abstract:
... Enterobacter sakazakii causes a severe form of neonatal meningitis that occurs as sporadic cases as well as outbreaks. The disease has been epidemiologically associated with consumption of reconstituted, dried infant formulas. Very little information is available regarding pathogenicity of the organism and production of virulence factors. Clinical and environmental strains were screened for produc ...
DOI:
10.1128/AEM.02729-06
PubMed:
17483271
PubMed Central:
PMC1932767

18. Characterization of LeMir, a root-knot nematode-induced gene in tomato with an encoded product secreted from the root

Author:
Brenner, E.D.; Lambert, K.N.; Kaloshian, I.; Williamson, V.M.
Source:
Plant physiology 1998 v.118 no.1 pp. 237-247
ISSN:
0032-0889
Subject:
trypsin inhibitors,   etc   ; root tips; messenger RNA; callus; genetic code; plant parasitic nematodes; DNA; gene expression; genes; nucleotide sequences; Meloidogyne javanica; protein composition; Solanum lycopersicum var. lycopersicum;     Show all 13 Subjects
Abstract:
... A tomato gene that is induced early after infection of tomato (Lycopersicon esculentum Mill.) with root-knot nematodes (Meloidogyne javanica) encodes a protein with 54% amino acid identity to miraculin, a flavorless protein that causes sour substances to be perceived as sweet. This gene was therefore named LeMir (L. esculentum miraculin). Sequence similarity places the encoded protein in the soybe ...
PubMed:
9733543
PubMed Central:
PMC34861