biostudies-literatureKim JNational Research Foundation of Korea573https://www.ebi.ac.uk/biostudies/studies/S-EPMC10136183biostudies-literatureUnknown12(4)The production of phytylated chlorophyll <i>a</i> (Chl <i>a</i>_P) in <i>Rhodobacter sphaeroides</i>, which uses phytylated bacteriochlorophyll <i>a</i> (BChl <i>a</i>_P), is the first step in expanding the light absorption spectra. Unlike the chlorophyll synthase (ChlG) of the <i>Synechocystis</i> sp. PCC6803, ChlGs of angiosperms, including <i>Arabidopsis thaliana</i>, <i>Nicotiana tabacum</i>, <i>Avena sativa</i>, and <i>Oryza sativa</i>, showed bacteriochlorophyll synthase activity and resistance to inhibition by bacteriochlorophyllide <i>a</i> (BChlide <i>a</i>), geranylgeranylated BChl <i>a</i> (BChl <i>a</i>_GG), and BChl <i>a</i>_P, collectively called bacteriochlorins. Among the angiosperm ChlGs, <i>N. tabacum</i> ChlG had the highest bacterBiologyChlorophyll <i>a</i> Synthesis in <i>Rhodobacter sphaeroides</i> by Chlorophyll Synthase of <i>Nicotiana tabacum</i>.PMC101361832019R1A2C2089870Kim EJLee JKKim JfalseChlorophyll <i>a</i> Synthesis in <i>Rhodobacter sphaeroides</i> by Chlorophyll Synthase of <i>Nicotiana tabacum</i>.The production of phytylated chlorophyll <i>a</i> (Chl <i>a</i>_P) in <i>Rhodobacter sphaeroides</i>, which uses phytylated bacteriochlorophyll <i>a</i> (BChl <i>a</i>_P), is the first step in expanding the light absorption spectra. Unlike the chlorophyll synthase (ChlG) of the <i>Synechocystis</i> sp. PCC6803, ChlGs of angiosperms, including <i>Arabidopsis thaliana</i>, <i>Nicotiana tabacum</i>, <i>Avena sativa</i>, and <i>Oryza sativa</i>, showed bacteriochlorophyll synthase activity and resistance to inhibition by bacteriochlorophyllide <i>a</i> (BChlide <i>a</i>), geranylgeranylated BChl <i>a</i> (BChl <i>a</i>_GG), and BChl <i>a</i>_P, collectively called bacteriochlorins. Among the angiosperm ChlGs, <i>N. tabacum</i> ChlG had the highest bacter2023-01-01T00:00:00Z2023 Apr2025-04-04T11:05:57.308Z2025-04-04T11:05:57.308ZS-EPMC101361833710677210.3390/biology12040573