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Benzoxazinoids - protective secondary metabolites in cereals: Biochemistry and genetic control

Benzoksazinoidi - zaštitni sekundarni metaboliti žitarica - biohemija i genetička kontrola

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2018
1736.pdf (1.857Mb)
Authors
Mikić, Sanja
Ahmad, Shakoor
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Abstract
Benzoxazinoids (1,4-benzoxazin-3(4H)-one derivatives, BXs) are plant secondary metabolites that play a crucial role in plant resistance to insects, fungi, bacteria and nematodes, and in weed suppression during early plant life. These biochemicals are constitutive compounds found in some members of the family Poaceae and have been studied in detail in maize (Zea mays L.), wheat (Triticum aestivum L.) and rye (Secale cereale L.). The most effective allelopathic benzoxazinoids are 2,4-dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one (DIMBOA) and 2,4-dihydroxy-1,4-benzoxazin-3-one (DIBOA), classified as hydroxamic acids. Aiming to draw attention to the importance of BXs in plant defence and their potential application in cereal protection, this review summarises the recent findings in genetic control, biochemical pathways, and the mode of action of these secondary metabolites and addresses unresolved questions related to BXs.
Benzoksazinoidi (1,4­benzoksazin­3(4H)­on derivati) su sekundarni metaboliti biljaka koji, u njihovim ranim fazama rasta, igraju važnu ulogu u otpornosti prema štetnim insektima, gljivama, bakterijama i nematodama, i u suzbijanju korova (alelopatiji). Ova biohemijska jedinjenja prisutna su kod nekih članova porodice Poaceae i detaljnije su proučena kod kukuruza (Zea mays L.), pšenice (Triticum aestivum L.) i raži (Secale cereale L.). Najdelotvorniji alelopatski benzoksaziniodi su 2,4-dihidroksi-7-metoksi-2H-1,4-benzoksazin-3(4H)-on (DIMBOA) i 2,4-dihidroksi-1,4-benzoksazin-3-on (DIBOA), koji se klasifikuju kao hidroksamske kiseline. Sa ciljem da ukaže na značaj benzoksazinoida u odbrambenim mehanizmima biljaka i njihovu moguću primenu u zaštiti žitarica, ovaj pregledni rad sažima dosadašnja otrića o genetičkog kontroli, biohemijskim putevima, i načinu delovanja ovih sekundarnih metabolita i ukazuje na nerazjašnjena pitanja koja se odnose na benzoksazinoide.
Keywords:
benzoxazinoids / biochemical pathways / DIMBOA / genetic control / maize / plant defence / resistance / rye / secondary metabolites / wheat / benzoksazinoidi / biohemijski putevi / DIMBOA / genetička kontrola / kukuruz / odbrambeni mehanizmi biljaka / otpornost / pšenica / raž / sekundarni metaboliti
Source:
Ratarstvo i povrtarstvo / Field and Vegetable Crops Research, 2018, 55, 1, 39-48
Publisher:
  • Institut za ratarstvo i povrtarstvo, Novi Sad
Funding / projects:
  • Improvement of Maize and Sorghum Production Under Stress Conditions (RS-31073)

DOI: 10.5937/ratpov55-12210

ISSN: 1821-3944

[ Google Scholar ]
URI
http://fiver.ifvcns.rs/handle/123456789/1739
Collections
  • Radovi istraživača / Researchers' papers
Institution/Community
FiVeR
TY  - JOUR
AU  - Mikić, Sanja
AU  - Ahmad, Shakoor
PY  - 2018
UR  - http://fiver.ifvcns.rs/handle/123456789/1739
AB  - Benzoxazinoids (1,4-benzoxazin-3(4H)-one derivatives, BXs) are plant secondary metabolites that play a crucial role in plant resistance to insects, fungi, bacteria and nematodes, and in weed suppression during early plant life. These biochemicals are constitutive compounds found in some members of the family Poaceae and have been studied in detail in maize (Zea mays L.), wheat (Triticum aestivum L.) and rye (Secale cereale L.). The most effective allelopathic benzoxazinoids are 2,4-dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one (DIMBOA) and 2,4-dihydroxy-1,4-benzoxazin-3-one (DIBOA), classified as hydroxamic acids. Aiming to draw attention to the importance of BXs in plant defence and their potential application in cereal protection, this review summarises the recent findings in genetic control, biochemical pathways, and the mode of action of these secondary metabolites and addresses unresolved questions related to BXs.
AB  - Benzoksazinoidi (1,4­benzoksazin­3(4H)­on derivati) su sekundarni metaboliti biljaka koji, u njihovim ranim fazama rasta, igraju važnu ulogu u otpornosti prema štetnim insektima, gljivama, bakterijama i nematodama, i u suzbijanju korova (alelopatiji). Ova biohemijska jedinjenja prisutna su kod nekih članova porodice Poaceae i detaljnije su proučena kod kukuruza (Zea mays L.), pšenice (Triticum aestivum L.) i raži (Secale cereale L.). Najdelotvorniji alelopatski benzoksaziniodi su 2,4-dihidroksi-7-metoksi-2H-1,4-benzoksazin-3(4H)-on (DIMBOA) i 2,4-dihidroksi-1,4-benzoksazin-3-on (DIBOA), koji se klasifikuju kao hidroksamske kiseline. Sa ciljem da ukaže na značaj benzoksazinoida u odbrambenim mehanizmima biljaka i njihovu moguću primenu u zaštiti žitarica, ovaj pregledni rad sažima dosadašnja otrića o genetičkog kontroli, biohemijskim putevima, i načinu delovanja ovih sekundarnih metabolita i ukazuje na nerazjašnjena pitanja koja se odnose na benzoksazinoide.
PB  - Institut za ratarstvo i povrtarstvo, Novi Sad
T2  - Ratarstvo i povrtarstvo / Field and Vegetable Crops Research
T1  - Benzoxazinoids - protective secondary metabolites in cereals: Biochemistry and genetic control
T1  - Benzoksazinoidi - zaštitni sekundarni metaboliti žitarica - biohemija i genetička kontrola
EP  - 48
IS  - 1
SP  - 39
VL  - 55
DO  - 10.5937/ratpov55-12210
UR  - conv_1869
ER  - 
@article{
author = "Mikić, Sanja and Ahmad, Shakoor",
year = "2018",
abstract = "Benzoxazinoids (1,4-benzoxazin-3(4H)-one derivatives, BXs) are plant secondary metabolites that play a crucial role in plant resistance to insects, fungi, bacteria and nematodes, and in weed suppression during early plant life. These biochemicals are constitutive compounds found in some members of the family Poaceae and have been studied in detail in maize (Zea mays L.), wheat (Triticum aestivum L.) and rye (Secale cereale L.). The most effective allelopathic benzoxazinoids are 2,4-dihydroxy-7-methoxy-2H-1,4-benzoxazin-3(4H)-one (DIMBOA) and 2,4-dihydroxy-1,4-benzoxazin-3-one (DIBOA), classified as hydroxamic acids. Aiming to draw attention to the importance of BXs in plant defence and their potential application in cereal protection, this review summarises the recent findings in genetic control, biochemical pathways, and the mode of action of these secondary metabolites and addresses unresolved questions related to BXs., Benzoksazinoidi (1,4­benzoksazin­3(4H)­on derivati) su sekundarni metaboliti biljaka koji, u njihovim ranim fazama rasta, igraju važnu ulogu u otpornosti prema štetnim insektima, gljivama, bakterijama i nematodama, i u suzbijanju korova (alelopatiji). Ova biohemijska jedinjenja prisutna su kod nekih članova porodice Poaceae i detaljnije su proučena kod kukuruza (Zea mays L.), pšenice (Triticum aestivum L.) i raži (Secale cereale L.). Najdelotvorniji alelopatski benzoksaziniodi su 2,4-dihidroksi-7-metoksi-2H-1,4-benzoksazin-3(4H)-on (DIMBOA) i 2,4-dihidroksi-1,4-benzoksazin-3-on (DIBOA), koji se klasifikuju kao hidroksamske kiseline. Sa ciljem da ukaže na značaj benzoksazinoida u odbrambenim mehanizmima biljaka i njihovu moguću primenu u zaštiti žitarica, ovaj pregledni rad sažima dosadašnja otrića o genetičkog kontroli, biohemijskim putevima, i načinu delovanja ovih sekundarnih metabolita i ukazuje na nerazjašnjena pitanja koja se odnose na benzoksazinoide.",
publisher = "Institut za ratarstvo i povrtarstvo, Novi Sad",
journal = "Ratarstvo i povrtarstvo / Field and Vegetable Crops Research",
title = "Benzoxazinoids - protective secondary metabolites in cereals: Biochemistry and genetic control, Benzoksazinoidi - zaštitni sekundarni metaboliti žitarica - biohemija i genetička kontrola",
pages = "48-39",
number = "1",
volume = "55",
doi = "10.5937/ratpov55-12210",
url = "conv_1869"
}
Mikić, S.,& Ahmad, S.. (2018). Benzoxazinoids - protective secondary metabolites in cereals: Biochemistry and genetic control. in Ratarstvo i povrtarstvo / Field and Vegetable Crops Research
Institut za ratarstvo i povrtarstvo, Novi Sad., 55(1), 39-48.
https://doi.org/10.5937/ratpov55-12210
conv_1869
Mikić S, Ahmad S. Benzoxazinoids - protective secondary metabolites in cereals: Biochemistry and genetic control. in Ratarstvo i povrtarstvo / Field and Vegetable Crops Research. 2018;55(1):39-48.
doi:10.5937/ratpov55-12210
conv_1869 .
Mikić, Sanja, Ahmad, Shakoor, "Benzoxazinoids - protective secondary metabolites in cereals: Biochemistry and genetic control" in Ratarstvo i povrtarstvo / Field and Vegetable Crops Research, 55, no. 1 (2018):39-48,
https://doi.org/10.5937/ratpov55-12210 .,
conv_1869 .

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