Ho boleloa hore karolo ea 10 ho isa ho 15% ea tahlehelo ea tlhahiso ea temo lefatšeng e bakoa ke mafu. 'Me kaha 70-80% ea lefu lena la semela le bakoa ke li-fungus tsa filamentous, ho sireletsa lijalo ho li-fungus tsa filamentous ke taba ea bohlokoa ho fepa baahi ba lefatše ka katleho. E le hore li-fungus tsa pathogenic li tšoaetse limela, li tlameha ho phunyeletsa lisele tsa epidermal tsa semela ebe li hlasela ka hare. Ka mantsoe a mang, lisele tsa epidermal tsa semela li sebetsa e le tšitiso ea pele ea ho emisa tlhaselo ea li-fungus tsa pathogenic tikolohong. Joale lisele tsa epidermal li na le mesebetsi ea mofuta ofe ea tšireletso?
Hoa thahasellisa hore ebe ho ne ho tsejoa hore epidermis ea limela e na le li-chloroplast tse nyenyane tse sa ameheng hakaalo ho photosynthesis. Leha ho le joalo, ho ne ho sa hlaka hore na e na le mosebetsi ofe. Ke hobane'ng ha ho e-na le li-chloroplast tse nyenyane karolong ea epidermis ea limela tse sa thuseng haholo ho photosynthesis?
Motlatsi oa Moprofesa Hiroki Irieda oa Lefapha la Temo, Univesithi ea Shinshu le Moprofesa Yoshitaka Takano, Sekolo sa Thuto ea Temo, Univesithi ea Kyoto, ba fumane hore li-chloroplast tse nyenyane tse ka har'a epidermis ea limela li laola ho kena ha likokoana-hloko tsa fungal. Ba babeli ba ile ba fumana hore li-chloroplasts tse nyane li tsamaea ka har'a sele ka mokhoa o makatsang ho ea mokatong o kaholimo ho arabela tlhaselo ea fungal mme li ameha karabelong e joalo ea ts'ireletso.
Phuputsong ena, ba babeli ba ile ba etsa lipatlisiso pele hore na li-epidermal chloroplasts li arabela joang mofuta oa li-fungus tsa pathogenic. Ka lebaka leo, ba fumane hore li-fungus tse ngata tsa pathogenic filamentous li baka ho falla ha li-epidermal chloroplasts. Hoa thahasellisa hore ho ile ha boela ha fumanoa hore li-fungus tsena tsa pathogenic filamentous e ne e le seo ho thoeng ke 'nonadapted' 'me li ne li thijoa ho tloha lisele tsa epidermal tse hlaselang. Ka lehlakoreng le leng, fungus ea pathogenic e ikamahanyang le maemo e ka 'na ea hlasela epidermis ea limela moo li-epidermal chloroplasts li emisitseng ho fallela sebakeng se ka holimo.
Ka mor'a moo, ba ile ba atleha ho fumana liprotheine tsa limela tse amehang ho falla ha li-epidermal chloroplasts. Ha semela se hlahisang protheine ena ho feta tekano se bōpiloe ke kenyelletso ea phetiso ea liphatsa tsa lefutso, li-epidermal chloroplasts ha lia ka tsa fallela holim'a lera khahlanong le li-fungus tsa pathogenic filamentous. Semeleng sena sa transgenic, ho itšireletsa khahlanong le tlhaselo ea epidermal ea li-fungus tsa pathogenic filamentous ho fokotsehile. Ho ile ha boela ha fumanoa hore li-fungus tsa pathogenic li na le menyetla e mengata ea ho hlasela li-epidermis limeleng tseo li-epidermal chloroplasts li emisitseng ho falla ho tsona. Liphetho tsena li bonts'a hore ho falla ha li-epidermal chloroplasts sebakeng se ka holimo ho ameha karabelong ea ts'ireletso e thibelang tlhaselo ea li-fungus tsa pathogenic.
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