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The Effect of Citrus Essential Oils and Their Constituents on Growth of Xanthomonas citri subsp. citri

نویسنده:
حسین میرزائی نجفقلی
,
سعید طریقی
,
Morteza Golmohammadi
,
پریسا طاهری
,
hossein mirzaei
,
Saeed Tarighi
,
Parissa Taheri
سال
: 2017
چکیده: CCitrus bacterial canker (CBC) caused by Xanthomonas citri subsp. citri (Xcc), is the most

devastating of the citrus diseases worldwide. During our study, we found that Essential oils

(EOs) of some citrus cultivars are effective on Xcc. Therefore, it prompted us to determine the

plant metabolites responsible for the antibacterial properties. We obtained EOs from some locally

cultivated citrus by using a Clevenger apparatus and their major constituents were identified by

gas chromatography/mass spectrometry (GC-MS). The effect of Citrus aurantium, C. aurantifolia,

Fortunella sp. EOs and their major constituents were evaluated against Xcc-KVXCC1 using a disk

diffusion assay. Minimal inhibitory and bactericidal concentration of the EOs and their constituents

were determined using the broth microdilution method. C. aurantium, C. aurantifolia Eos, and their

major constituents including citral, linalool, citronellal, geraniol, α-terpineol, and linalyl acetate

indicated antibacterial effects against Xcc. The C. aurantifolia EO and citral showed the highest

antibacterial activity among the tested EOs and constituents with inhibition zones of 15 ± 0.33 mm

and 16.67 ± 0.88 mm, respectively. Synergistic effects of the constituents were observed between

α-terpineol-citral, citral-citronellal, citral-geraniol, and citronellal-geraniol by using a microdilution

checkerboard assay. Transmission electron microscopy revealed that exposure of Xcc cells to

citral caused cell wall damage and altered cytoplasmic density. We introduced C. aurantifolia and

C. aurantium EOs, and their constituents citral, α-terpineol, citronellal, geraniol, and linalool as

possible control agents for CBC.
یو آر آی: http://libsearch.um.ac.ir:80/fum/handle/fum/3360539
کلیدواژه(گان): Citrus aurantifolia,C,aurantium,citral,synergistic effect,transmission electron microscopy
کالکشن :
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    The Effect of Citrus Essential Oils and Their Constituents on Growth of Xanthomonas citri subsp. citri

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contributor authorحسین میرزائی نجفقلیen
contributor authorسعید طریقیen
contributor authorMorteza Golmohammadien
contributor authorپریسا طاهریen
contributor authorhossein mirzaeifa
contributor authorSaeed Tarighifa
contributor authorParissa Taherifa
date accessioned2020-06-06T13:34:39Z
date available2020-06-06T13:34:39Z
date issued2017
identifier urihttp://libsearch.um.ac.ir:80/fum/handle/fum/3360539
description abstractCCitrus bacterial canker (CBC) caused by Xanthomonas citri subsp. citri (Xcc), is the most

devastating of the citrus diseases worldwide. During our study, we found that Essential oils

(EOs) of some citrus cultivars are effective on Xcc. Therefore, it prompted us to determine the

plant metabolites responsible for the antibacterial properties. We obtained EOs from some locally

cultivated citrus by using a Clevenger apparatus and their major constituents were identified by

gas chromatography/mass spectrometry (GC-MS). The effect of Citrus aurantium, C. aurantifolia,

Fortunella sp. EOs and their major constituents were evaluated against Xcc-KVXCC1 using a disk

diffusion assay. Minimal inhibitory and bactericidal concentration of the EOs and their constituents

were determined using the broth microdilution method. C. aurantium, C. aurantifolia Eos, and their

major constituents including citral, linalool, citronellal, geraniol, α-terpineol, and linalyl acetate

indicated antibacterial effects against Xcc. The C. aurantifolia EO and citral showed the highest

antibacterial activity among the tested EOs and constituents with inhibition zones of 15 ± 0.33 mm

and 16.67 ± 0.88 mm, respectively. Synergistic effects of the constituents were observed between

α-terpineol-citral, citral-citronellal, citral-geraniol, and citronellal-geraniol by using a microdilution

checkerboard assay. Transmission electron microscopy revealed that exposure of Xcc cells to

citral caused cell wall damage and altered cytoplasmic density. We introduced C. aurantifolia and

C. aurantium EOs, and their constituents citral, α-terpineol, citronellal, geraniol, and linalool as

possible control agents for CBC.
en
languageEnglish
titleThe Effect of Citrus Essential Oils and Their Constituents on Growth of Xanthomonas citri subsp. citrien
typeJournal Paper
contenttypeExternal Fulltext
subject keywordsCitrus aurantifoliaen
subject keywordsCen
subject keywordsaurantiumen
subject keywordscitralen
subject keywordssynergistic effecten
subject keywordstransmission electron microscopyen
journal titleMoleculesfa
pages14-Jan
journal volume22
journal issue591
identifier linkhttps://profdoc.um.ac.ir/paper-abstract-1062500.html
identifier articleid1062500
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